| Amarante to Orbetello | 993.35 mi (1,598.65 km) |
| Amarante to Oria | 1,338.65 mi (2,154.35 km) |
| Amarante to Oristano | 877.76 mi (1,412.62 km) |
| Amarante to Orta Nova | 1,230.40 mi (1,980.13 km) |
| Amarante to Orte | 1,053.09 mi (1,694.79 km) |
| Amarante to Ortona | 1,156.10 mi (1,860.56 km) |
| Amarante to Orvieto | 1,038.49 mi (1,671.28 km) |
| Amarante to Orzinuovi | 946.26 mi (1,522.86 km) |
| Amarante to Osimo | 1,107.40 mi (1,782.20 km) |
| Amarante to Ospitaletto | 955.03 mi (1,536.97 km) |
| Amarante to Ostuni | 1,333.17 mi (2,145.52 km) |
| Amarante to Ottaviano | 1,171.58 mi (1,885.48 km) |
| Amarante to Ovada | 874.95 mi (1,408.09 km) |
| Amarante to Ozieri | 890.93 mi (1,433.82 km) |
| Amarante to Paceco | 1,117.56 mi (1,798.55 km) |
