| Walker to Orbetello | 4,612.16 mi (7,422.56 km) |
| Walker to Oria | 4,953.55 mi (7,971.97 km) |
| Walker to Oristano | 4,611.00 mi (7,420.68 km) |
| Walker to Orta Nova | 4,840.11 mi (7,789.41 km) |
| Walker to Orte | 4,658.38 mi (7,496.93 km) |
| Walker to Ortona | 4,743.17 mi (7,633.40 km) |
| Walker to Orvieto | 4,636.33 mi (7,461.44 km) |
| Walker to Orzinuovi | 4,438.35 mi (7,142.83 km) |
| Walker to Osimo | 4,657.87 mi (7,496.12 km) |
| Walker to Ospitaletto | 4,437.51 mi (7,141.49 km) |
| Walker to Ostuni | 4,940.92 mi (7,951.65 km) |
| Walker to Ottaviano | 4,812.32 mi (7,744.68 km) |
| Walker to Ovada | 4,418.25 mi (7,110.49 km) |
| Walker to Ozieri | 4,599.73 mi (7,402.55 km) |
| Walker to Paceco | 4,860.06 mi (7,821.52 km) |
