| Bishops Stortford to Orbetello | 831.04 mi (1,337.43 km) |
| Bishops Stortford to Oria | 1,141.22 mi (1,836.62 km) |
| Bishops Stortford to Oristano | 919.16 mi (1,479.25 km) |
| Bishops Stortford to Orta Nova | 1,032.54 mi (1,661.72 km) |
| Bishops Stortford to Orte | 864.89 mi (1,391.91 km) |
| Bishops Stortford to Ortona | 935.19 mi (1,505.05 km) |
| Bishops Stortford to Orvieto | 842.21 mi (1,355.41 km) |
| Bishops Stortford to Orzinuovi | 630.31 mi (1,014.38 km) |
| Bishops Stortford to Osimo | 845.74 mi (1,361.08 km) |
| Bishops Stortford to Ospitaletto | 626.83 mi (1,008.79 km) |
| Bishops Stortford to Ostuni | 1,127.32 mi (1,814.25 km) |
| Bishops Stortford to Ottaviano | 1,018.70 mi (1,639.44 km) |
| Bishops Stortford to Ovada | 632.92 mi (1,018.58 km) |
| Bishops Stortford to Ozieri | 885.27 mi (1,424.70 km) |
| Bishops Stortford to Paceco | 1,131.19 mi (1,820.47 km) |
