| Bougival to Novi di Modena | 496.03 mi (798.28 km) |
| Bougival to Novi Ligure | 423.09 mi (680.89 km) |
| Bougival to Nuoro | 687.86 mi (1,107.00 km) |
| Bougival to Occhiobello | 521.91 mi (839.93 km) |
| Bougival to Oderzo | 529.10 mi (851.50 km) |
| Bougival to Oggiono | 398.97 mi (642.08 km) |
| Bougival to Olbia | 656.12 mi (1,055.92 km) |
| Bougival to Oleggio | 378.88 mi (609.74 km) |
| Bougival to Olgiate Comasco | 383.93 mi (617.88 km) |
| Bougival to Olgiate Olona | 386.94 mi (622.72 km) |
| Bougival to Omegna | 358.42 mi (576.82 km) |
| Bougival to Opera | 410.30 mi (660.31 km) |
| Bougival to Oppeano | 491.19 mi (790.49 km) |
| Bougival to Orbassano | 368.45 mi (592.96 km) |
| Bougival to Orbetello | 622.97 mi (1,002.57 km) |
