| Amares to Orbetello | 1,002.55 mi (1,613.45 km) |
| Amares to Oria | 1,349.93 mi (2,172.50 km) |
| Amares to Oristano | 892.13 mi (1,435.74 km) |
| Amares to Orta Nova | 1,240.88 mi (1,997.00 km) |
| Amares to Orte | 1,062.17 mi (1,709.40 km) |
| Amares to Ortona | 1,165.20 mi (1,875.20 km) |
| Amares to Orvieto | 1,047.13 mi (1,685.20 km) |
| Amares to Orzinuovi | 949.59 mi (1,528.22 km) |
| Amares to Osimo | 1,114.69 mi (1,793.92 km) |
| Amares to Ospitaletto | 958.09 mi (1,541.89 km) |
| Amares to Ostuni | 1,344.15 mi (2,163.19 km) |
| Amares to Ottaviano | 1,182.99 mi (1,903.83 km) |
| Amares to Ovada | 879.54 mi (1,415.49 km) |
| Amares to Ozieri | 903.92 mi (1,454.72 km) |
| Amares to Paceco | 1,133.59 mi (1,824.34 km) |
