| Gondomar to Noventa Vicentina | 1,046.88 mi (1,684.80 km) |
| Gondomar to Novi di Modena | 1,012.46 mi (1,629.40 km) |
| Gondomar to Novi Ligure | 908.61 mi (1,462.27 km) |
| Gondomar to Nuoro | 935.54 mi (1,505.61 km) |
| Gondomar to Occhiobello | 1,045.71 mi (1,682.90 km) |
| Gondomar to Oderzo | 1,098.16 mi (1,767.32 km) |
| Gondomar to Oggiono | 949.72 mi (1,528.43 km) |
| Gondomar to Olbia | 938.33 mi (1,510.10 km) |
| Gondomar to Oleggio | 913.14 mi (1,469.55 km) |
| Gondomar to Olgiate Comasco | 931.77 mi (1,499.54 km) |
| Gondomar to Olgiate Olona | 925.42 mi (1,489.33 km) |
| Gondomar to Omegna | 907.31 mi (1,460.17 km) |
| Gondomar to Opera | 937.41 mi (1,508.61 km) |
| Gondomar to Oppeano | 1,030.26 mi (1,658.04 km) |
| Gondomar to Orbassano | 851.97 mi (1,371.11 km) |
