| West Little River to Orbetello | 5,105.20 mi (8,216.02 km) |
| West Little River to Oria | 5,463.46 mi (8,792.59 km) |
| West Little River to Oristano | 5,037.47 mi (8,107.02 km) |
| West Little River to Orta Nova | 5,348.42 mi (8,607.44 km) |
| West Little River to Orte | 5,160.58 mi (8,305.15 km) |
| West Little River to Ortona | 5,258.77 mi (8,463.17 km) |
| West Little River to Orvieto | 5,141.07 mi (8,273.75 km) |
| West Little River to Orzinuovi | 4,976.20 mi (8,008.43 km) |
| West Little River to Osimo | 5,186.35 mi (8,346.63 km) |
| West Little River to Ospitaletto | 4,979.14 mi (8,013.15 km) |
| West Little River to Ostuni | 5,454.33 mi (8,777.89 km) |
| West Little River to Ottaviano | 5,302.43 mi (8,533.43 km) |
| West Little River to Ovada | 4,933.42 mi (7,939.57 km) |
| West Little River to Ozieri | 5,042.04 mi (8,114.39 km) |
| West Little River to Paceco | 5,283.69 mi (8,503.28 km) |
