| Failsworth to Orbetello | 980.31 mi (1,577.65 km) |
| Failsworth to Oria | 1,286.96 mi (2,071.17 km) |
| Failsworth to Oristano | 1,066.37 mi (1,716.16 km) |
| Failsworth to Orta Nova | 1,179.37 mi (1,898.01 km) |
| Failsworth to Orte | 1,013.57 mi (1,631.18 km) |
| Failsworth to Ortona | 1,082.21 mi (1,741.66 km) |
| Failsworth to Orvieto | 990.90 mi (1,594.69 km) |
| Failsworth to Orzinuovi | 778.30 mi (1,252.56 km) |
| Failsworth to Osimo | 992.31 mi (1,596.96 km) |
| Failsworth to Ospitaletto | 774.44 mi (1,246.35 km) |
| Failsworth to Ostuni | 1,272.83 mi (2,048.41 km) |
| Failsworth to Ottaviano | 1,167.04 mi (1,878.16 km) |
| Failsworth to Ovada | 782.31 mi (1,259.00 km) |
| Failsworth to Ozieri | 1,033.41 mi (1,663.11 km) |
| Failsworth to Paceco | 1,280.43 mi (2,060.65 km) |
