| Douarnenez to Novi di Modena | 756.00 mi (1,216.67 km) |
| Douarnenez to Novi Ligure | 664.72 mi (1,069.76 km) |
| Douarnenez to Nuoro | 861.90 mi (1,387.09 km) |
| Douarnenez to Occhiobello | 786.10 mi (1,265.11 km) |
| Douarnenez to Oderzo | 807.85 mi (1,300.11 km) |
| Douarnenez to Oggiono | 663.83 mi (1,068.33 km) |
| Douarnenez to Olbia | 840.70 mi (1,352.98 km) |
| Douarnenez to Oleggio | 635.49 mi (1,022.72 km) |
| Douarnenez to Olgiate Comasco | 646.36 mi (1,040.21 km) |
| Douarnenez to Olgiate Olona | 646.03 mi (1,039.69 km) |
| Douarnenez to Omegna | 618.74 mi (995.77 km) |
| Douarnenez to Opera | 667.22 mi (1,073.78 km) |
| Douarnenez to Oppeano | 758.60 mi (1,220.85 km) |
| Douarnenez to Orbassano | 602.06 mi (968.92 km) |
| Douarnenez to Orbetello | 848.63 mi (1,365.74 km) |
