| Gosport to Orbetello | 820.19 mi (1,319.97 km) |
| Gosport to Oria | 1,146.26 mi (1,844.72 km) |
| Gosport to Oristano | 886.34 mi (1,426.43 km) |
| Gosport to Orta Nova | 1,034.57 mi (1,664.98 km) |
| Gosport to Orte | 859.30 mi (1,382.91 km) |
| Gosport to Ortona | 937.08 mi (1,508.08 km) |
| Gosport to Orvieto | 836.71 mi (1,346.55 km) |
| Gosport to Orzinuovi | 630.83 mi (1,015.22 km) |
| Gosport to Osimo | 849.88 mi (1,367.75 km) |
| Gosport to Ospitaletto | 629.20 mi (1,012.60 km) |
| Gosport to Ostuni | 1,133.11 mi (1,823.57 km) |
| Gosport to Ottaviano | 1,014.27 mi (1,632.32 km) |
| Gosport to Ovada | 621.28 mi (999.86 km) |
| Gosport to Ozieri | 856.52 mi (1,378.43 km) |
| Gosport to Paceco | 1,109.49 mi (1,785.55 km) |
