| Atherton to Noventa Vicentina | 846.93 mi (1,363.01 km) |
| Atherton to Novi di Modena | 846.60 mi (1,362.47 km) |
| Atherton to Novi Ligure | 789.70 mi (1,270.89 km) |
| Atherton to Nuoro | 1,066.52 mi (1,716.40 km) |
| Atherton to Occhiobello | 867.01 mi (1,395.32 km) |
| Atherton to Oderzo | 854.77 mi (1,375.63 km) |
| Atherton to Oggiono | 750.95 mi (1,208.54 km) |
| Atherton to Olbia | 1,033.98 mi (1,664.03 km) |
| Atherton to Oleggio | 738.86 mi (1,189.08 km) |
| Atherton to Olgiate Comasco | 739.10 mi (1,189.46 km) |
| Atherton to Olgiate Olona | 744.59 mi (1,198.30 km) |
| Atherton to Omegna | 717.02 mi (1,153.94 km) |
| Atherton to Opera | 768.16 mi (1,236.24 km) |
| Atherton to Oppeano | 834.59 mi (1,343.15 km) |
| Atherton to Orbassano | 740.66 mi (1,191.97 km) |
