Distance from Calgary to Helena Montana?

Answer 1

658 km (419 miles) - about 7 hours 2 mins driving time.

Calgary, AB, Canada to Helena, MT, USA
1. Head north on Centre St NW toward 7 Ave NE 1.3 km
2. Turn right at 16 Ave NE 2.3 km
3. Take the AB-2/Deerfoot Tr ramp to Fort Macleod 0.7 km
4. Merge onto Hwy 2 S/AB-2 S 167 km
5. Take the ramp onto Hwy 2 S/Hwy 3 E
Continue to follow Hwy 3 E 54.2 km
6. Take the exit toward Mayor Magrath Dr 0.2 km
7. Turn left at Mayor Magrath Dr S S 3.1 km
8. Slight left to stay on Mayor Magrath Dr S S 0.2 km
9. Turn left at 24 Ave S S 3.0 km
10. Continue onto Hwy 4 S 73.7 km
11. Continue onto HWY 4 8.9 km
12. Continue onto Hwy 4 S
Entering United States (Montana) 15.5 km
13. Continue onto I-15 S 326 km
14. Take exit 193 for I-15/Cedar St 0.3 km
15. Keep right at the fork, follow signs for I-15 BUS S/US-12 W/City Center/VA Center 22 m
16. Turn right at Cedar St/I-15 BUS S 0.4 km
17. Turn left at N Sanders St 0.5 km
18. Turn right at Phoenix Ave 0.1 km
19. Take the 1st left onto N Roberts St 0.3 km
20. Take the 1st left onto Helena Ave 0.2 km
Helena, MT, USA