| Burnham to Orbetello | 839.61 mi (1,351.23 km) |
| Burnham to Oria | 1,157.03 mi (1,862.06 km) |
| Burnham to Oristano | 917.74 mi (1,476.96 km) |
| Burnham to Orta Nova | 1,046.98 mi (1,684.95 km) |
| Burnham to Orte | 875.83 mi (1,409.52 km) |
| Burnham to Ortona | 949.46 mi (1,528.00 km) |
| Burnham to Orvieto | 853.16 mi (1,373.03 km) |
| Burnham to Orzinuovi | 643.43 mi (1,035.50 km) |
| Burnham to Osimo | 860.84 mi (1,385.39 km) |
| Burnham to Ospitaletto | 640.74 mi (1,031.17 km) |
| Burnham to Ostuni | 1,143.43 mi (1,840.18 km) |
| Burnham to Ottaviano | 1,030.34 mi (1,658.18 km) |
| Burnham to Ovada | 640.73 mi (1,031.16 km) |
| Burnham to Ozieri | 885.73 mi (1,425.45 km) |
| Burnham to Paceco | 1,135.20 mi (1,826.92 km) |
