| Arcata to Noventa Vicentina | 5,882.91 mi (9,467.64 km) |
| Arcata to Novi di Modena | 5,889.22 mi (9,477.79 km) |
| Arcata to Novi Ligure | 5,840.29 mi (9,399.04 km) |
| Arcata to Nuoro | 6,111.44 mi (9,835.41 km) |
| Arcata to Occhiobello | 5,905.34 mi (9,503.72 km) |
| Arcata to Oderzo | 5,878.14 mi (9,459.95 km) |
| Arcata to Oggiono | 5,796.63 mi (9,328.78 km) |
| Arcata to Olbia | 6,081.58 mi (9,787.37 km) |
| Arcata to Oleggio | 5,787.94 mi (9,314.79 km) |
| Arcata to Olgiate Comasco | 5,786.40 mi (9,312.31 km) |
| Arcata to Olgiate Olona | 5,792.77 mi (9,322.57 km) |
| Arcata to Omegna | 5,765.91 mi (9,279.33 km) |
| Arcata to Opera | 5,816.10 mi (9,360.11 km) |
| Arcata to Oppeano | 5,872.88 mi (9,451.48 km) |
| Arcata to Orbassano | 5,791.71 mi (9,320.86 km) |
