| Owasso to Oerlinghausen | 4,837.29 mi (7,784.87 km) |
| Owasso to Oestrich-Winkel | 4,889.09 mi (7,868.23 km) |
| Owasso to Offenburg | 4,946.15 mi (7,960.06 km) |
| Owasso to Oftersheim | 4,935.18 mi (7,942.41 km) |
| Owasso to Ohrdruf | 4,955.30 mi (7,974.78 km) |
| Owasso to Ohringen | 4,975.76 mi (8,007.72 km) |
| Owasso to Olbernhau | 5,053.40 mi (8,132.66 km) |
| Owasso to Olching | 5,083.38 mi (8,180.91 km) |
| Owasso to Oldenburg | 4,776.51 mi (7,687.06 km) |
| Owasso to Oldenburg in Holstein | 4,822.51 mi (7,761.07 km) |
| Owasso to Olfen | 4,801.12 mi (7,726.66 km) |
| Owasso to Olpe | 4,843.92 mi (7,795.54 km) |
| Owasso to Olsberg | 4,854.53 mi (7,812.61 km) |
| Owasso to Oranienburg | 4,963.30 mi (7,987.66 km) |
| Owasso to Ortenberg | 4,913.82 mi (7,908.02 km) |
