| Wheeling to Oerlinghausen | 4,088.97 mi (6,580.56 km) |
| Wheeling to Oestrich-Winkel | 4,125.57 mi (6,639.47 km) |
| Wheeling to Offenburg | 4,172.66 mi (6,715.24 km) |
| Wheeling to Oftersheim | 4,169.05 mi (6,709.44 km) |
| Wheeling to Ohrdruf | 4,204.50 mi (6,766.50 km) |
| Wheeling to Ohringen | 4,210.91 mi (6,776.80 km) |
| Wheeling to Olbernhau | 4,308.80 mi (6,934.34 km) |
| Wheeling to Olching | 4,317.09 mi (6,947.68 km) |
| Wheeling to Oldenburg | 4,035.61 mi (6,494.68 km) |
| Wheeling to Oldenburg in Holstein | 4,097.37 mi (6,594.07 km) |
| Wheeling to Olfen | 4,047.77 mi (6,514.26 km) |
| Wheeling to Olpe | 4,086.83 mi (6,577.11 km) |
| Wheeling to Olsberg | 4,101.39 mi (6,600.55 km) |
| Wheeling to Oranienburg | 4,233.12 mi (6,812.55 km) |
| Wheeling to Ortenberg | 4,155.37 mi (6,687.42 km) |
