How far is Union, NY from Tonawanda, NY?

The driving distance from Union, NY to Tonawanda, NY is about 177.2 miles (285.2 km), with a travel time of about 02h 55m by car.

  • The straight-line flight distance is about 151.7 miles (244.2 km).
  • For a round trip, plan for roughly 05h 51m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Trip Tools

Reverse, save, or send this route

This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
177.23 mi
02h 55m
Flight
151.75 mi
244.21 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Union.

Flight Distance

Direct air line
151.75 mi
Kilometers
244.21 km
Flight Time
00h 18m

Driving Distance

Road route
177.23 mi
Kilometers
285.22 km
Drive Time
02h 55m

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 02h 55m.

Arrival Snapshot
Arrive in Tonawanda
Thu, Oct 15, 6:14 PM EDT
Return by in Union
Thu, Oct 15, 9:10 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Union
2026-10-15T15:18
Arrive Tonawanda
Thu, Oct 15, 6:14 PM EDT
Route Timing
02h 55m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
10:56 AM to 12:56 PM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
12:38 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Union
9:30 PM EDT
Morning start is best

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
Farmington
NY

Town in New York

From Union
82.9 mi
01h 27m
To Tonawanda
94.3 mi
01h 27m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
58°F
This Afternoon

Mostly Sunny

Starts
Thu, Oct 15 12:00 PM EDT
Wind
2 mph E
Destination
45°F
Overnight

Mostly Cloudy

Starts
Thu, Oct 15 12:00 AM EDT
Wind
8 mph NE

Driving Route Map

The map below follows the saved road route between Union and Tonawanda.

Turn-by-Turn Driving Directions

Step-by-step road directions between Union and Tonawanda.

  1. 1

    Start on Kiley Road

    22 m · 10 sec · Kiley Road

  2. 2

    Turn left onto Delphi Road

    1.3 km · 2 min · Delphi Road

  3. 3

    Continue on Delphi Falls Road

    1.2 km · 2 min · Delphi Falls Road

  4. 4

    Turn right onto Oran Delphi Road

    2.5 mi · 4 min · Oran Delphi Road

  5. 5

    Turn left onto Route 20

    6.6 mi · 10 min · Route 20

  6. 6

    Continue on Cherry Valley Turnpike

    21.8 mi · 28 min · Cherry Valley Turnpike

  7. 7

    Continue on East Genesee Street

    7.5 mi · 14 min · East Genesee Street

  8. 8

    Turn right onto North Fulton Street

    815 ft · 13 sec · North Fulton Street

  9. 9

    Turn left onto Arterial West

    1931 ft · 1 min · Arterial West

  10. 10

    Continue on Chase Street

    9.8 mi · 11 min · Chase Street

  11. 11

    Continue on Auburn Road

    1.9 mi · 2 min · Auburn Road

  12. 12

    Turn right

    4.1 mi · 7 min

  13. 13

    Continue straight

    97 m · 10 sec

  14. 14

    Turn right onto State Route 414

    1557 ft · 29 sec · State Route 414

  15. 15

    Continue on Ridge Road

    66 m · 11 sec · Ridge Road

  16. 16

    Take the ramp left

    945 ft · 23 sec

  17. 17

    Keep slight left to continue on I 90 West: Buffalo

    3202 ft · 1 min

  18. 18

    Merge slight left onto New York State Thruway

    99.6 mi · 1 hr 55 min · New York State Thruway

  19. 19

    Take the exit slight right toward I 290: Niagara Falls

    2277 ft · 37 sec

  20. 20

    Continue on Youngmann Expressway

    6.1 mi · 8 min · Youngmann Expressway

  21. 21

    Take the exit slight right toward NY 425: Colvin Boulevard

    1355 ft · 37 sec

  22. 22

    Turn right onto Twin Cities Memorial Highway

    1.2 mi · 2 min · Twin Cities Memorial Highway

  23. 23

    Turn left onto Fillmore Avenue

    2413 ft · 1 min · Fillmore Avenue

  24. 24

    Turn left onto Fremont Street

    550 ft · 25 sec · Fremont Street

  25. 25

    Turn right onto Young Street

    1398 ft · 42 sec · Young Street

  26. 26

    Continue on Broad Street

    1336 ft · 44 sec · Broad Street

  27. 27

    Turn right onto Seymour Street

    750 ft · 22 sec · Seymour Street

  28. 28

    Arrive at your destination

    0 m · 1 sec · Seymour Street

Car Route Details

A richer read on the saved driving route between Union and Tonawanda.

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
28 steps
13 turns on the saved route
Ramps & Exits
4
1 merges, 3 ramps or exits
Navigation Density
15.8 / 100 mi
Decision points by distance
Main Roads
New York State Thruway
99.6 mi · 56%
Cherry Valley Turnpike
21.8 mi · 12%
Chase Street
9.76 mi · 6%
East Genesee Street
7.47 mi · 4%
Route 20
6.65 mi · 4%
Youngmann Expressway
6.1 mi · 3%
Longest Stretch

New York State Thruway

Merge slight left onto New York State Thruway

99.6 mi · 01h 55m

Route Summary

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

Trip Read

A comfortable day-trip route

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

Drive Time
02h 55m
Day trip friendly
Same-Day Return
05h 52m
Round-trip wheel time
Road vs Air
+25.5 mi
151.7 mi direct line
Halfway Stop
Farmington
01h 27m from Union
Leave By
12:38 PM EDT
Morning start is best
Weather Watch

Mostly Sunny leaving Union and Mostly Cloudy near Tonawanda.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Union to Tonawanda?

The road trip is about 177.2 miles (285.2 km) and usually takes 02h 55m in normal driving conditions.

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

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

What is the halfway point on this route?

Farmington is a useful midpoint, sitting about 82.9 miles from Union and 94.3 miles from Tonawanda.

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

The direct path is about 151.7 miles (244.2 km), while the road route adds roughly 25.5 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 12:38 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $27.80 one way or $55.60 round trip. Estimated CO2 is about 55.5 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Union and Mostly Cloudy near Tonawanda.

Stop Ideas Near Farmington

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Farmington, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Farmington.

RAIL

Louise M. Slaughter Rochester Station

27 mi away
320 Central Avenue
RAIL

Empire Expo Center

91 mi away
581 State Fair Blvd
RAIL

William F. Walsh Regional Transportation Center

96 mi away
131 Alliance Bank Parkway
RAIL

Buffalo–Depew station

114 mi away
55 Dick Road

Flight Path Map

This map shows the direct air route between Union and Tonawanda. Straight-line distance: 151.75 mi (244.21 km).

Union

#1 Union

Town in Broome County, New York, United States

Population52,262
Coordinates42.8678400, -75.8871400
Altitude383
CountryUnited States
Tonawanda

#2 Tonawanda

City in the state of New York, USA

Population14,755
Coordinates43.0203300, -78.8803100
Altitude175
CountryUnited States
Start: Kiley Road (-75.887044, 42.867824)
End: Seymour Street (-78.880469, 43.020357)

Estimated Travel Time

Distance: 285 km by road

SpeedTime
30 mph (48.3 km/h)05h 54m
40 mph (64.37 km/h)04h 25m
50 mph (80.47 km/h)03h 32m
60 mph (96.56 km/h)02h 57m
70 mph (112.65 km/h)02h 31m
80 mph (129 km/h)02h 12m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
6.25 gal
23.67 L · about $27.80
Round trip
$55.60
12.5 gal · 47.34 L
Estimated CO2
55.5 kg one way
Round trip: 111.1 kg / 245 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.45 $27.80 $55.60
Mid-grade $4.98 $31.14 $62.28
Premium $5.38 $33.64 $67.27
Diesel $6.51 $40.68 $81.36

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 New York · Oct 15, 2026

There is no time difference between Union and Tonawanda. The current time is 15:18:42.

Distance to Other Cities

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