| Westhoughton to Orbetello | 992.92 mi (1,597.95 km) |
| Westhoughton to Oria | 1,300.88 mi (2,093.57 km) |
| Westhoughton to Oristano | 1,076.92 mi (1,733.14 km) |
| Westhoughton to Orta Nova | 1,193.05 mi (1,920.03 km) |
| Westhoughton to Orte | 1,026.61 mi (1,652.17 km) |
| Westhoughton to Ortona | 1,095.84 mi (1,763.58 km) |
| Westhoughton to Orvieto | 1,003.93 mi (1,615.68 km) |
| Westhoughton to Orzinuovi | 791.61 mi (1,273.98 km) |
| Westhoughton to Osimo | 1,006.03 mi (1,619.05 km) |
| Westhoughton to Ospitaletto | 787.88 mi (1,267.97 km) |
| Westhoughton to Ostuni | 1,286.79 mi (2,070.89 km) |
| Westhoughton to Ottaviano | 1,180.24 mi (1,899.42 km) |
| Westhoughton to Ovada | 794.72 mi (1,278.98 km) |
| Westhoughton to Ozieri | 1,044.38 mi (1,680.77 km) |
| Westhoughton to Paceco | 1,292.18 mi (2,079.57 km) |
