| Gagnef to Noventa Vicentina | 1,068.17 mi (1,719.05 km) |
| Gagnef to Novi di Modena | 1,098.68 mi (1,768.16 km) |
| Gagnef to Novi Ligure | 1,124.60 mi (1,809.86 km) |
| Gagnef to Nuoro | 1,422.79 mi (2,289.76 km) |
| Gagnef to Occhiobello | 1,092.74 mi (1,758.60 km) |
| Gagnef to Oderzo | 1,029.31 mi (1,656.51 km) |
| Gagnef to Oggiono | 1,049.92 mi (1,689.68 km) |
| Gagnef to Olbia | 1,380.52 mi (2,221.73 km) |
| Gagnef to Oleggio | 1,069.15 mi (1,720.63 km) |
| Gagnef to Olgiate Comasco | 1,053.48 mi (1,695.42 km) |
| Gagnef to Olgiate Olona | 1,064.44 mi (1,713.05 km) |
| Gagnef to Omegna | 1,052.68 mi (1,694.13 km) |
| Gagnef to Opera | 1,078.27 mi (1,735.31 km) |
| Gagnef to Oppeano | 1,069.06 mi (1,720.48 km) |
| Gagnef to Orbassano | 1,120.77 mi (1,803.71 km) |
