| Riverdale to Noventa Vicentina | 4,878.02 mi (7,850.41 km) |
| Riverdale to Novi di Modena | 4,863.69 mi (7,827.36 km) |
| Riverdale to Novi Ligure | 4,776.19 mi (7,686.54 km) |
| Riverdale to Nuoro | 4,944.66 mi (7,957.67 km) |
| Riverdale to Occhiobello | 4,892.03 mi (7,872.96 km) |
| Riverdale to Oderzo | 4,902.22 mi (7,889.36 km) |
| Riverdale to Oggiono | 4,768.43 mi (7,674.05 km) |
| Riverdale to Olbia | 4,932.40 mi (7,937.93 km) |
| Riverdale to Oleggio | 4,743.30 mi (7,633.61 km) |
| Riverdale to Olgiate Comasco | 4,751.97 mi (7,647.55 km) |
| Riverdale to Olgiate Olona | 4,753.05 mi (7,649.30 km) |
| Riverdale to Omegna | 4,724.94 mi (7,604.06 km) |
| Riverdale to Opera | 4,775.28 mi (7,685.07 km) |
| Riverdale to Oppeano | 4,862.50 mi (7,825.45 km) |
| Riverdale to Orbassano | 4,713.87 mi (7,586.24 km) |
