How far is Rock Valley, IA from Waterloo, IA?

The driving distance from Rock Valley, IA to Waterloo, IA is about 253.7 miles (408.3 km), with a travel time of about 04h 14m by car.

  • The straight-line flight distance is about 206.1 miles (331.7 km).
  • For a round trip, plan for roughly 08h 29m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Trip Tools

Reverse, save, or send this route

This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
253.71 mi
04h 14m
Flight
206.13 mi
331.74 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Rock Valley.

Flight Distance

Direct air line
206.13 mi
Kilometers
331.74 km
Flight Time
00h 24m

Driving Distance

Road route
253.71 mi
Kilometers
408.3 km
Drive Time
04h 14m

Gas Cost Calculator

Leave and Arrive Planner

Pick a departure time to see your estimated arrival and same-day return window.

Drive time stays fixed at 04h 14m.

Arrival Snapshot
Arrive in Waterloo
Thu, Apr 30, 3:09 PM CDT
Return by in Rock Valley
Thu, Apr 30, 7:24 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Rock Valley
2026-04-30T10:55
Arrive Waterloo
Thu, Apr 30, 3:09 PM CDT
Route Timing
04h 14m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
10:15 AM to 12:15 PM CDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
8:30 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Rock Valley
9:00 PM CDT
Early departure recommended

You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Jolley
IA

Human settlement in Calhoun County, Iowa, United States of America

From Rock Valley
126 mi
02h 07m
To Waterloo
127.7 mi
02h 07m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
54°F
Thursday

Slight Chance Rain Showers

Starts
Thu, Apr 30 6:00 AM CDT
Wind
5 to 10 mph NNE
Destination
55°F
Thursday

Mostly Sunny

Starts
Thu, Apr 30 6:00 AM CDT
Wind
5 to 14 mph NNW

Driving Route Map

The map below follows the saved road route between Rock Valley and Waterloo.

Turn-by-Turn Driving Directions

Step-by-step road directions between Rock Valley and Waterloo.

  1. 1

    Start on 15th Street

    9 m · 3 sec · 15th Street

  2. 2

    Turn right onto 16th Avenue

    1916 ft · 1 min · 16th Avenue

  3. 3

    Turn left onto 10th Street

    1.2 km · 1 min · 10th Street

  4. 4

    Continue on 310th Street

    5.2 mi · 7 min · 310th Street

  5. 5

    Continue straight

    1 mi · 2 min

  6. 6

    Turn left onto 320th Street

    2 mi · 3 min · 320th Street

  7. 7

    Continue on Black Forest Road

    1.6 km · 2 min · Black Forest Road

  8. 8

    Continue on 320th Street

    2.9 mi · 4 min · 320th Street

  9. 9

    Turn right onto Jackson Avenue

    8 mi · 11 min · Jackson Avenue

  10. 10

    Turn left onto 400th Street

    7.5 mi · 10 min · 400th Street

  11. 11

    Continue on Birch Street

    593 ft · 12 sec · Birch Street

  12. 12

    Continue on Cedar Street

    1159 ft · 23 sec · Cedar Street

  13. 13

    Continue on 6th Avenue South

    751 ft · 15 sec · 6th Avenue South

  14. 14

    Turn right onto Fir Street

    729 ft · 17 sec · Fir Street

  15. 15

    Turn right onto County Road S

    1437 ft · 29 sec · County Road S

  16. 16

    Continue on Log Avenue

    5.8 mi · 8 min · Log Avenue

  17. 17

    Turn left onto 460th Street

    1.6 km · 1 min · 460th Street

  18. 18

    Continue on Garfield Street

    2590 ft · 1 min · Garfield Street

  19. 19

    Continue on 460th Street

    3.5 mi · 5 min · 460th Street

  20. 20

    Turn right onto Nettle Avenue

    5 mi · 7 min · Nettle Avenue

  21. 21

    Continue on D Avenue

    5.7 mi · 8 min · D Avenue

  22. 22

    Continue on Ames Avenue

    1.3 mi · 2 min · Ames Avenue

  23. 23

    Turn left onto 490th Street

    5 mi · 7 min · 490th Street

  24. 24

    Continue on State Highway 3

    4.2 mi · 6 min · State Highway 3

  25. 25

    Continue on 500th Street

    2.5 mi · 3 min · 500th Street

  26. 26

    Turn straight onto State Highway 3

    4.4 mi · 6 min · State Highway 3

  27. 27

    Turn left onto 530th Street

    3.4 mi · 5 min · 530th Street

  28. 28

    Turn right onto V Avenue

    2 mi · 3 min · V Avenue

  29. 29

    Continue on 1st Street

    1.4 mi · 2 min · 1st Street

  30. 30

    Continue on State Highway 7

    2.1 mi · 3 min · State Highway 7

  31. 31

    Continue on Highway 7

    1.1 mi · 2 min · Highway 7

  32. 32

    Turn right onto 20th Avenue

    9.2 mi · 13 min · 20th Avenue

  33. 33

    Continue on Armstrong Avenue

    6 mi · 8 min · Armstrong Avenue

  34. 34

    At the end of the road, turn left onto 220th Street

    153.8 mi · 2 hr 58 min · 220th Street

  35. 35

    Take the exit slight right toward US 63: Sergeant Road

    3054 ft · 1 min

  36. 36

    Turn slight right

    37 m · 6 sec

  37. 37

    Turn straight onto Sergeant Road

    3.8 mi · 6 min · Sergeant Road

  38. 38

    Turn right onto University Avenue

    118 m · 9 sec · University Avenue

  39. 39

    Turn straight

    1708 ft · 45 sec

  40. 40

    Turn right

    617 ft · 10 sec

  41. 41

    Continue on Washington Street

    1175 ft · 26 sec · Washington Street

  42. 42

    Turn right onto West 4th Street

    23 m · 2 sec · West 4th Street

  43. 43

    Arrive at your destination

    0 m · 1 sec · West 4th Street

Car Route Details

A richer read on the saved driving route between Rock Valley and Waterloo.

OSRM road route
Drive Character

Straightforward drive

The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.

Directions
43 steps
21 turns on the saved route
Ramps & Exits
1
0 merges, 1 ramps or exits
Navigation Density
16.9 / 100 mi
Decision points by distance
Main Roads
220th Street
154 mi · 61%
20th Avenue
9.23 mi · 4%
State Highway 3
8.58 mi · 3%
Jackson Avenue
8.01 mi · 3%
400th Street
7.46 mi · 3%
310th Street
6.16 mi · 2%
Longest Stretch

220th Street

At the end of the road, turn left onto 220th Street

154 mi · 02h 58m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A longer out-and-back drive

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

Drive Time
04h 14m
Long day trip
Same-Day Return
08h 30m
Round-trip wheel time
Road vs Air
+47.6 mi
206.1 mi direct line
Halfway Stop
Jolley
02h 07m from Rock Valley
Leave By
8:30 AM CDT
Early departure recommended
Weather Watch

Slight Chance Rain Showers leaving Rock Valley and Mostly Sunny near Waterloo.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Rock Valley to Waterloo?

The road trip is about 253.7 miles (408.3 km) and usually takes 04h 14m in normal driving conditions.

Is this a same-day trip or an overnight route?

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

What is the halfway point on this route?

Jolley is a useful midpoint, sitting about 126 miles from Rock Valley and 127.7 miles from Waterloo.

How much longer is the road route than the straight-line distance?

The direct path is about 206.1 miles (331.7 km), while the road route adds roughly 47.6 extra miles because roads do not follow the straight air line.

When is the best time to leave for this route?

A good departure window is usually 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 8:30 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $33.75 one way or $67.50 round trip. Estimated CO2 is about 79.5 kg one way.

What should you check before leaving?

Before you leave, expect Slight Chance Rain Showers around Rock Valley and Mostly Sunny near Waterloo.

Flight Path Map

This map shows the direct air route between Rock Valley and Waterloo. Straight-line distance: 206.13 mi (331.74 km).

Rock Valley

#1 Rock Valley

City in Sioux County, Iowa, United States of America

Population3,901
Coordinates43.2052600, -96.2950300
Altitude381
CountryUnited States
Waterloo

#2 Waterloo

The most populous city in Black Hawk County, Iowa.

Population67,292
Coordinates42.4927600, -92.3429600
Altitude261
CountryUnited States
Start: 15th Street (-96.29503, 43.205188)
End: West 4th Street (-92.342752, 42.492625)

Estimated Travel Time

Distance: 408 km by road

SpeedTime
30 mph (48.3 km/h)08h 27m
40 mph (64.37 km/h)06h 20m
50 mph (80.47 km/h)05h 04m
60 mph (96.56 km/h)04h 13m
70 mph (112.65 km/h)03h 37m
80 mph (129 km/h)03h 09m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
8.95 gal
33.89 L · about $33.75
Round trip
$67.50
17.9 gal · 67.78 L
Estimated CO2
79.5 kg one way
Round trip: 159.1 kg / 351 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $33.75 $67.50
Mid-grade $4.25 $38.06 $76.13
Premium $4.65 $41.65 $83.31
Diesel $5.30 $47.47 $94.94

Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.

Prices in Iowa · Apr 30, 2026

There is no time difference between Rock Valley and Waterloo. The current time is 10:55:15.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.