| Inkster to Oerlinghausen | 4,080.02 mi (6,566.16 km) |
| Inkster to Oestrich-Winkel | 4,124.62 mi (6,637.93 km) |
| Inkster to Offenburg | 4,177.29 mi (6,722.70 km) |
| Inkster to Oftersheim | 4,169.58 mi (6,710.29 km) |
| Inkster to Ohrdruf | 4,197.01 mi (6,754.44 km) |
| Inkster to Ohringen | 4,210.81 mi (6,776.64 km) |
| Inkster to Olbernhau | 4,298.38 mi (6,917.58 km) |
| Inkster to Olching | 4,317.92 mi (6,949.02 km) |
| Inkster to Oldenburg | 4,022.87 mi (6,474.18 km) |
| Inkster to Oldenburg in Holstein | 4,077.26 mi (6,561.71 km) |
| Inkster to Olfen | 4,041.32 mi (6,503.87 km) |
| Inkster to Olpe | 4,082.39 mi (6,569.97 km) |
| Inkster to Olsberg | 4,094.92 mi (6,590.14 km) |
| Inkster to Oranienburg | 4,215.63 mi (6,784.40 km) |
| Inkster to Ortenberg | 4,151.76 mi (6,681.61 km) |
