| East Ham to Orbetello | 817.44 mi (1,315.54 km) |
| East Ham to Oria | 1,131.47 mi (1,820.92 km) |
| East Ham to Oristano | 901.27 mi (1,450.46 km) |
| East Ham to Orta Nova | 1,022.01 mi (1,644.76 km) |
| East Ham to Orte | 852.47 mi (1,371.92 km) |
| East Ham to Ortona | 924.54 mi (1,487.91 km) |
| East Ham to Orvieto | 829.79 mi (1,335.42 km) |
| East Ham to Orzinuovi | 618.94 mi (996.09 km) |
| East Ham to Osimo | 835.53 mi (1,344.65 km) |
| East Ham to Ospitaletto | 615.88 mi (991.17 km) |
| East Ham to Ostuni | 1,117.74 mi (1,798.82 km) |
| East Ham to Ottaviano | 1,006.68 mi (1,620.09 km) |
| East Ham to Ovada | 618.87 mi (995.98 km) |
| East Ham to Ozieri | 868.11 mi (1,397.08 km) |
| East Ham to Paceco | 1,115.56 mi (1,795.32 km) |
