| Amposta to Noventa Vicentina | 636.50 mi (1,024.35 km) |
| Amposta to Novi di Modena | 597.04 mi (960.84 km) |
| Amposta to Novi Ligure | 501.23 mi (806.66 km) |
| Amposta to Nuoro | 460.37 mi (740.89 km) |
| Amposta to Occhiobello | 628.13 mi (1,010.88 km) |
| Amposta to Oderzo | 693.31 mi (1,115.78 km) |
| Amposta to Oggiono | 563.01 mi (906.07 km) |
| Amposta to Olbia | 466.42 mi (750.63 km) |
| Amposta to Oleggio | 527.61 mi (849.10 km) |
| Amposta to Olgiate Comasco | 548.08 mi (882.05 km) |
| Amposta to Olgiate Olona | 538.68 mi (866.92 km) |
| Amposta to Omegna | 530.92 mi (854.43 km) |
| Amposta to Opera | 542.06 mi (872.36 km) |
| Amposta to Oppeano | 621.78 mi (1,000.65 km) |
| Amposta to Orbassano | 460.41 mi (740.96 km) |
