| Concarneau to Novi di Modena | 734.45 mi (1,181.99 km) |
| Concarneau to Novi Ligure | 642.44 mi (1,033.91 km) |
| Concarneau to Nuoro | 837.76 mi (1,348.24 km) |
| Concarneau to Occhiobello | 764.77 mi (1,230.77 km) |
| Concarneau to Oderzo | 787.63 mi (1,267.57 km) |
| Concarneau to Oggiono | 642.81 mi (1,034.50 km) |
| Concarneau to Olbia | 816.67 mi (1,314.31 km) |
| Concarneau to Oleggio | 614.04 mi (988.20 km) |
| Concarneau to Olgiate Comasco | 625.23 mi (1,006.21 km) |
| Concarneau to Olgiate Olona | 624.70 mi (1,005.36 km) |
| Concarneau to Omegna | 597.57 mi (961.70 km) |
| Concarneau to Opera | 645.69 mi (1,039.14 km) |
| Concarneau to Oppeano | 737.54 mi (1,186.95 km) |
| Concarneau to Orbassano | 579.63 mi (932.83 km) |
| Concarneau to Orbetello | 825.43 mi (1,328.40 km) |
