| Genappe to Novi di Modena | 494.86 mi (796.41 km) |
| Genappe to Novi Ligure | 450.96 mi (725.75 km) |
| Genappe to Nuoro | 748.46 mi (1,204.53 km) |
| Genappe to Occhiobello | 512.97 mi (825.55 km) |
| Genappe to Oderzo | 497.60 mi (800.81 km) |
| Genappe to Oggiono | 401.92 mi (646.82 km) |
| Genappe to Olbia | 711.54 mi (1,145.11 km) |
| Genappe to Oleggio | 395.58 mi (636.63 km) |
| Genappe to Olgiate Comasco | 392.31 mi (631.36 km) |
| Genappe to Olgiate Olona | 399.31 mi (642.62 km) |
| Genappe to Omegna | 373.50 mi (601.08 km) |
| Genappe to Opera | 422.28 mi (679.60 km) |
| Genappe to Oppeano | 480.42 mi (773.17 km) |
| Genappe to Orbassano | 412.02 mi (663.09 km) |
| Genappe to Orbetello | 648.43 mi (1,043.55 km) |
