| Grand-Couronne to Novi di Modena | 557.39 mi (897.04 km) |
| Grand-Couronne to Novi Ligure | 484.31 mi (779.43 km) |
| Grand-Couronne to Nuoro | 745.05 mi (1,199.04 km) |
| Grand-Couronne to Occhiobello | 583.07 mi (938.37 km) |
| Grand-Couronne to Oderzo | 588.90 mi (947.74 km) |
| Grand-Couronne to Oggiono | 460.29 mi (740.76 km) |
| Grand-Couronne to Olbia | 714.18 mi (1,149.37 km) |
| Grand-Couronne to Oleggio | 440.36 mi (708.69 km) |
| Grand-Couronne to Olgiate Comasco | 445.34 mi (716.71 km) |
| Grand-Couronne to Olgiate Olona | 448.40 mi (721.64 km) |
| Grand-Couronne to Omegna | 419.89 mi (675.75 km) |
| Grand-Couronne to Opera | 471.77 mi (759.24 km) |
| Grand-Couronne to Oppeano | 552.22 mi (888.71 km) |
| Grand-Couronne to Orbassano | 429.08 mi (690.54 km) |
| Grand-Couronne to Orbetello | 683.90 mi (1,100.63 km) |
