| Wallington to Orbetello | 815.14 mi (1,311.84 km) |
| Wallington to Oria | 1,131.72 mi (1,821.33 km) |
| Wallington to Oristano | 895.64 mi (1,441.39 km) |
| Wallington to Orta Nova | 1,021.77 mi (1,644.38 km) |
| Wallington to Orte | 851.00 mi (1,369.55 km) |
| Wallington to Ortona | 924.26 mi (1,487.45 km) |
| Wallington to Orvieto | 828.32 mi (1,333.06 km) |
| Wallington to Orzinuovi | 618.30 mi (995.06 km) |
| Wallington to Osimo | 835.56 mi (1,344.71 km) |
| Wallington to Ospitaletto | 615.54 mi (990.61 km) |
| Wallington to Ostuni | 1,118.11 mi (1,799.42 km) |
| Wallington to Ottaviano | 1,005.43 mi (1,618.09 km) |
| Wallington to Ovada | 616.34 mi (991.90 km) |
| Wallington to Ozieri | 863.08 mi (1,388.99 km) |
| Wallington to Paceco | 1,111.68 mi (1,789.08 km) |
