| Ashtabula to Noventa Vicentina | 4,356.99 mi (7,011.90 km) |
| Ashtabula to Novi di Modena | 4,346.04 mi (6,994.28 km) |
| Ashtabula to Novi Ligure | 4,263.90 mi (6,862.09 km) |
| Ashtabula to Nuoro | 4,456.01 mi (7,171.26 km) |
| Ashtabula to Occhiobello | 4,372.74 mi (7,037.24 km) |
| Ashtabula to Oderzo | 4,376.67 mi (7,043.56 km) |
| Ashtabula to Oggiono | 4,249.44 mi (6,838.81 km) |
| Ashtabula to Olbia | 4,439.85 mi (7,145.24 km) |
| Ashtabula to Oleggio | 4,226.79 mi (6,802.36 km) |
| Ashtabula to Olgiate Comasco | 4,233.78 mi (6,813.60 km) |
| Ashtabula to Olgiate Olona | 4,235.84 mi (6,816.92 km) |
| Ashtabula to Omegna | 4,207.41 mi (6,771.17 km) |
| Ashtabula to Opera | 4,258.69 mi (6,853.70 km) |
| Ashtabula to Oppeano | 4,342.14 mi (6,988.00 km) |
| Ashtabula to Orbassano | 4,202.95 mi (6,763.99 km) |
