| Ouistreham to Novi di Modena | 605.29 mi (974.12 km) |
| Ouistreham to Novi Ligure | 527.63 mi (849.14 km) |
| Ouistreham to Nuoro | 776.25 mi (1,249.26 km) |
| Ouistreham to Occhiobello | 632.03 mi (1,017.16 km) |
| Ouistreham to Oderzo | 641.09 mi (1,031.73 km) |
| Ouistreham to Oggiono | 508.64 mi (818.58 km) |
| Ouistreham to Olbia | 747.31 mi (1,202.68 km) |
| Ouistreham to Oleggio | 486.65 mi (783.18 km) |
| Ouistreham to Olgiate Comasco | 493.02 mi (793.44 km) |
| Ouistreham to Olgiate Olona | 495.34 mi (797.17 km) |
| Ouistreham to Omegna | 466.85 mi (751.32 km) |
| Ouistreham to Opera | 518.40 mi (834.29 km) |
| Ouistreham to Oppeano | 601.73 mi (968.39 km) |
| Ouistreham to Orbassano | 470.03 mi (756.44 km) |
| Ouistreham to Orbetello | 725.22 mi (1,167.13 km) |
