| Kempston to Orbetello | 862.74 mi (1,388.44 km) |
| Kempston to Oria | 1,174.08 mi (1,889.50 km) |
| Kempston to Oristano | 947.88 mi (1,525.46 km) |
| Kempston to Orta Nova | 1,065.26 mi (1,714.36 km) |
| Kempston to Orte | 897.07 mi (1,443.70 km) |
| Kempston to Ortona | 967.88 mi (1,557.65 km) |
| Kempston to Orvieto | 874.39 mi (1,407.19 km) |
| Kempston to Orzinuovi | 662.79 mi (1,066.67 km) |
| Kempston to Osimo | 878.51 mi (1,413.82 km) |
| Kempston to Ospitaletto | 659.43 mi (1,061.25 km) |
| Kempston to Ostuni | 1,160.20 mi (1,867.16 km) |
| Kempston to Ottaviano | 1,051.02 mi (1,691.46 km) |
| Kempston to Ovada | 664.39 mi (1,069.22 km) |
| Kempston to Ozieri | 914.66 mi (1,472.01 km) |
| Kempston to Paceco | 1,161.77 mi (1,869.68 km) |
