| Circleville to Noventa Vicentina | 4,542.56 mi (7,310.55 km) |
| Circleville to Novi di Modena | 4,531.03 mi (7,291.98 km) |
| Circleville to Novi Ligure | 4,447.89 mi (7,158.19 km) |
| Circleville to Nuoro | 4,635.65 mi (7,460.37 km) |
| Circleville to Occhiobello | 4,558.02 mi (7,335.43 km) |
| Circleville to Oderzo | 4,563.01 mi (7,343.46 km) |
| Circleville to Oggiono | 4,434.61 mi (7,136.81 km) |
| Circleville to Olbia | 4,620.24 mi (7,435.56 km) |
| Circleville to Oleggio | 4,411.51 mi (7,099.64 km) |
| Circleville to Olgiate Comasco | 4,418.79 mi (7,111.36 km) |
| Circleville to Olgiate Olona | 4,420.69 mi (7,114.41 km) |
| Circleville to Omegna | 4,392.30 mi (7,068.72 km) |
| Circleville to Opera | 4,443.44 mi (7,151.03 km) |
| Circleville to Oppeano | 4,527.60 mi (7,286.46 km) |
| Circleville to Orbassano | 4,386.65 mi (7,059.63 km) |
