| Newport Pagnell to Orbetello | 868.06 mi (1,397.01 km) |
| Newport Pagnell to Oria | 1,180.75 mi (1,900.23 km) |
| Newport Pagnell to Oristano | 951.21 mi (1,530.82 km) |
| Newport Pagnell to Orta Nova | 1,071.67 mi (1,724.69 km) |
| Newport Pagnell to Orte | 902.84 mi (1,452.98 km) |
| Newport Pagnell to Ortona | 974.26 mi (1,567.91 km) |
| Newport Pagnell to Orvieto | 880.15 mi (1,416.47 km) |
| Newport Pagnell to Orzinuovi | 668.93 mi (1,076.53 km) |
| Newport Pagnell to Osimo | 885.02 mi (1,424.31 km) |
| Newport Pagnell to Ospitaletto | 665.70 mi (1,071.34 km) |
| Newport Pagnell to Ostuni | 1,166.92 mi (1,877.98 km) |
| Newport Pagnell to Ottaviano | 1,056.93 mi (1,700.97 km) |
| Newport Pagnell to Ovada | 669.54 mi (1,077.52 km) |
| Newport Pagnell to Ozieri | 918.39 mi (1,478.00 km) |
| Newport Pagnell to Paceco | 1,166.22 mi (1,876.84 km) |
