| Genc to Orbetello | 1,552.49 mi (2,498.49 km) |
| Genc to Oria | 1,222.41 mi (1,967.28 km) |
| Genc to Oristano | 1,701.10 mi (2,737.66 km) |
| Genc to Orta Nova | 1,321.64 mi (2,126.98 km) |
| Genc to Orte | 1,492.66 mi (2,402.20 km) |
| Genc to Ortona | 1,389.80 mi (2,236.67 km) |
| Genc to Orvieto | 1,506.87 mi (2,425.07 km) |
| Genc to Orzinuovi | 1,625.24 mi (2,615.57 km) |
| Genc to Osimo | 1,439.79 mi (2,317.12 km) |
| Genc to Ospitaletto | 1,619.57 mi (2,606.44 km) |
| Genc to Ostuni | 1,224.63 mi (1,970.85 km) |
| Genc to Ottaviano | 1,386.75 mi (2,231.76 km) |
| Genc to Ovada | 1,684.15 mi (2,710.38 km) |
| Genc to Ozieri | 1,673.95 mi (2,693.96 km) |
| Genc to Paceco | 1,512.16 mi (2,433.59 km) |
