| Thundersley to Orbetello | 803.58 mi (1,293.24 km) |
| Thundersley to Oria | 1,114.43 mi (1,793.51 km) |
| Thundersley to Oristano | 892.26 mi (1,435.95 km) |
| Thundersley to Orta Nova | 1,005.55 mi (1,618.27 km) |
| Thundersley to Orte | 837.54 mi (1,347.89 km) |
| Thundersley to Ortona | 908.16 mi (1,461.55 km) |
| Thundersley to Orvieto | 814.86 mi (1,311.39 km) |
| Thundersley to Orzinuovi | 603.11 mi (970.61 km) |
| Thundersley to Osimo | 818.81 mi (1,317.75 km) |
| Thundersley to Ospitaletto | 599.72 mi (965.15 km) |
| Thundersley to Ostuni | 1,100.58 mi (1,771.21 km) |
| Thundersley to Ottaviano | 991.41 mi (1,595.53 km) |
| Thundersley to Ovada | 605.45 mi (974.37 km) |
| Thundersley to Ozieri | 858.15 mi (1,381.05 km) |
| Thundersley to Paceco | 1,103.78 mi (1,776.36 km) |
