| Upper Arlington to Noventa Vicentina | 4,529.60 mi (7,289.69 km) |
| Upper Arlington to Novi di Modena | 4,518.36 mi (7,271.60 km) |
| Upper Arlington to Novi Ligure | 4,435.70 mi (7,138.57 km) |
| Upper Arlington to Nuoro | 4,625.34 mi (7,443.77 km) |
| Upper Arlington to Occhiobello | 4,545.21 mi (7,314.81 km) |
| Upper Arlington to Oderzo | 4,549.65 mi (7,321.95 km) |
| Upper Arlington to Oggiono | 4,421.85 mi (7,116.28 km) |
| Upper Arlington to Olbia | 4,609.63 mi (7,418.48 km) |
| Upper Arlington to Oleggio | 4,398.97 mi (7,079.46 km) |
| Upper Arlington to Olgiate Comasco | 4,406.11 mi (7,090.95 km) |
| Upper Arlington to Olgiate Olona | 4,408.09 mi (7,094.13 km) |
| Upper Arlington to Omegna | 4,379.67 mi (7,048.41 km) |
| Upper Arlington to Opera | 4,430.89 mi (7,130.82 km) |
| Upper Arlington to Oppeano | 4,514.70 mi (7,265.70 km) |
| Upper Arlington to Orbassano | 4,374.59 mi (7,040.23 km) |
