How far is Thomas, OK from Union, KY?
The driving distance from Thomas, OK to Union, KY is about 905.2 miles (1456.8 km), with a travel time of about 16h 55m by car.
- The straight-line flight distance is about 802.7 miles (1291.9 km).
- For a round trip, plan for roughly 33h 50m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM CDT.
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.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
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 16h 55m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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.
City in Phelps County, Missouri, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Thomas and Union.
Turn-by-Turn Driving Directions
Step-by-step road directions between Thomas and Union.
-
1
Start on North Main Street
30 m · 12 sec · North Main Street
-
2
Turn left onto East Broadway Avenue
12.1 mi · 18 min · East Broadway Avenue
-
3
Turn right
10.4 mi · 13 min
-
4
Continue on East Russworm Street
28.4 mi · 35 min · East Russworm Street
-
5
Continue straight
5.6 mi · 6 min
-
6
Continue straight
2.6 mi · 3 min
-
7
Continue straight
6 mi · 7 min
-
8
Continue straight
16.7 mi · 23 min
-
9
Continue straight
37 mi · 44 min
-
10
Turn left onto North Noble Avenue
62 m · 6 sec · North Noble Avenue
-
11
Turn right onto West North Street
1 km · 1 min · West North Street
-
12
Continue on East Main Street
1944 ft · 37 sec · East Main Street
-
13
Continue on East North Street
2563 ft · 54 sec · East North Street
-
14
At the end of the road, turn left onto East Main Street
4.8 mi · 6 min · East Main Street
-
15
Continue straight
1.9 mi · 2 min
-
16
Continue on West Broadway Street
2.7 mi · 5 min · West Broadway Street
-
17
Continue straight
1949 ft · 28 sec
-
18
Continue straight
1.2 mi · 1 min
-
19
Continue straight
6 mi · 7 min
-
20
Continue straight
14.4 mi · 17 min
-
21
Turn left onto I 44 East: Tulsa
845 ft · 22 sec
-
22
Merge slight left onto Governor Roy Joseph Turner Turnpike
10.4 mi · 10 min · Governor Roy Joseph Turner Turnpike
-
23
Continue on Skelly Bypass
1.2 mi · 2 min · Skelly Bypass
-
24
Keep slight right to continue on Skelly Bypass
14.3 mi · 17 min · Skelly Bypass
-
25
Continue straight
4.3 mi · 5 min
-
26
Keep slight right to continue on I 44 East: Joplin, Claremore
369.2 mi · 6 hr 34 min
-
27
Continue on Police Officer Robert Stanze Memorial Highway
2.7 mi · 3 min · Police Officer Robert Stanze Memorial Highway
-
28
Continue on Officer Michael Barwick Memorial Highway
3.5 mi · 4 min · Officer Michael Barwick Memorial Highway
-
29
Continue on Officer David Haynes Memorial Highway
4.4 mi · 6 min · Officer David Haynes Memorial Highway
-
30
Keep slight right to continue on I 55 North, I 64 East
1.2 km · 2 min
-
31
Keep slight left to continue on I 55 North, I 64 East, US 40 East: Chicago, Loiusville, Indianapolis
2.3 mi · 3 min
-
32
Keep slight right to continue on I 64 East, IL 3 North: Louisville
75.1 mi · 1 hr 23 min
-
33
Keep slight left to continue on I 64 East: Louisville
174.4 mi · 3 hr 8 min
-
34
Keep slight left to continue on I 265 East, SR 62 East
6.4 mi · 8 min
-
35
Continue straight
7.4 mi · 9 min
-
36
Continue on Gene Snyder Freeway
3.4 mi · 4 min · Gene Snyder Freeway
-
37
Take the exit slight right toward I 71 North: Cincinnati
1556 ft · 38 sec
-
38
Merge slight left
62.7 mi · 1 hr 7 min
-
39
Take the exit slight right toward KY 14: Verona
1880 ft · 52 sec
-
40
Turn left onto Verona-Mudlick Road
2.3 mi · 4 min · Verona-Mudlick Road
-
41
At the end of the road, turn right
7.5 mi · 11 min
-
42
Turn left onto Old Union Road
1906 ft · 52 sec · Old Union Road
-
43
Enter the roundabout and take exit 2 toward Old Union Road
31 m · 2 sec · Old Union Road
-
44
Exit the roundabout onto Old Union Road
113 m · 13 sec · Old Union Road
-
45
Turn right onto Union School Road
45 m · 6 sec · Union School Road
-
46
Arrive at your destination
0 m · 1 sec · Union School Road
Car Route Details
A richer read on the saved driving route between Thomas and Union.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 44 East
Keep slight right to continue on I 44 East: Joplin, Claremore
369 mi · 06h 34m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Mostly Sunny leaving Thomas and Chance Rain Showers near Union.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Thomas to Union?
The road trip is about 905.2 miles (1456.8 km) and usually takes 16h 55m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Doolittle is a useful midpoint, sitting about 450.2 miles from Thomas and 455.1 miles from Union.
How much longer is the road route than the straight-line distance?
The direct path is about 802.7 miles (1291.9 km), while the road route adds roughly 102.5 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 6:00 AM to 7:30 AM CDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $129.23 one way or $258.46 round trip. Estimated CO2 is about 283.9 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Thomas and Union, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Thomas and Chance Rain Showers near Union.
Stop Ideas Near Doolittle
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Doolittle.
Jefferson City
Hermann
Washington
Flight Path Map
This map shows the direct air route between Thomas and Union. Straight-line distance: 802.78 mi (1291.95 km).
#1 Thomas
City in Oklahoma, United States
| Population | 1,178 |
| Coordinates | 35.7442200, -98.7475800 |
| Altitude | 532 |
| Country | United States |
#2 Union
Township in Boone County, Iowa
| Population | 6,116 |
| Coordinates | 38.9459000, -84.6805000 |
| Altitude | 255 |
| Country | United States |
End: Union (-84.6805, 38.9459)
Estimated Travel Time
Distance: 1457 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 30h 09m |
| 40 mph (64.37 km/h) | 22h 37m |
| 50 mph (80.47 km/h) | 18h 06m |
| 60 mph (96.56 km/h) | 15h 05m |
| 70 mph (112.65 km/h) | 12h 55m |
| 80 mph (129 km/h) | 11h 17m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.05 | $129.23 | $258.46 |
| Mid-grade | $4.47 | $142.84 | $285.67 |
| Premium | $4.79 | $152.93 | $305.86 |
| Diesel | $6.03 | $192.44 | $384.88 |
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 Oklahoma · Sep 22, 2026