| Kalispell to Oerlinghausen | 4,744.57 mi (7,635.64 km) |
| Kalispell to Oestrich-Winkel | 4,835.93 mi (7,782.68 km) |
| Kalispell to Offenburg | 4,919.11 mi (7,916.54 km) |
| Kalispell to Oftersheim | 4,886.43 mi (7,863.95 km) |
| Kalispell to Ohrdruf | 4,860.61 mi (7,822.40 km) |
| Kalispell to Ohringen | 4,920.24 mi (7,918.37 km) |
| Kalispell to Olbernhau | 4,934.35 mi (7,941.07 km) |
| Kalispell to Olching | 5,024.43 mi (8,086.04 km) |
| Kalispell to Oldenburg | 4,668.25 mi (7,512.82 km) |
| Kalispell to Oldenburg in Holstein | 4,669.56 mi (7,514.93 km) |
| Kalispell to Olfen | 4,725.18 mi (7,604.45 km) |
| Kalispell to Olpe | 4,775.41 mi (7,685.28 km) |
| Kalispell to Olsberg | 4,773.95 mi (7,682.93 km) |
| Kalispell to Oranienburg | 4,812.52 mi (7,745.01 km) |
| Kalispell to Ortenberg | 4,843.99 mi (7,795.65 km) |
