| Felton to Orbetello | 900.11 mi (1,448.58 km) |
| Felton to Oria | 1,225.52 mi (1,972.28 km) |
| Felton to Oristano | 963.57 mi (1,550.72 km) |
| Felton to Orta Nova | 1,114.08 mi (1,792.95 km) |
| Felton to Orte | 939.19 mi (1,511.48 km) |
| Felton to Ortona | 1,016.57 mi (1,636.01 km) |
| Felton to Orvieto | 916.59 mi (1,475.11 km) |
| Felton to Orzinuovi | 710.25 mi (1,143.04 km) |
| Felton to Osimo | 929.11 mi (1,495.25 km) |
| Felton to Ospitaletto | 708.44 mi (1,140.13 km) |
| Felton to Ostuni | 1,212.28 mi (1,950.98 km) |
| Felton to Ottaviano | 1,094.15 mi (1,760.87 km) |
| Felton to Ovada | 701.21 mi (1,128.48 km) |
| Felton to Ozieri | 934.63 mi (1,504.14 km) |
| Felton to Paceco | 1,188.52 mi (1,912.73 km) |
