| Rocky River to Noventa Vicentina | 4,417.26 mi (7,108.89 km) |
| Rocky River to Novi di Modena | 4,406.43 mi (7,091.47 km) |
| Rocky River to Novi Ligure | 4,324.48 mi (6,959.58 km) |
| Rocky River to Nuoro | 4,517.10 mi (7,269.58 km) |
| Rocky River to Occhiobello | 4,433.07 mi (7,134.34 km) |
| Rocky River to Oderzo | 4,436.75 mi (7,140.26 km) |
| Rocky River to Oggiono | 4,309.80 mi (6,935.95 km) |
| Rocky River to Olbia | 4,500.88 mi (7,243.46 km) |
| Rocky River to Oleggio | 4,287.24 mi (6,899.65 km) |
| Rocky River to Olgiate Comasco | 4,294.17 mi (6,910.79 km) |
| Rocky River to Olgiate Olona | 4,296.26 mi (6,914.17 km) |
| Rocky River to Omegna | 4,267.83 mi (6,868.40 km) |
| Rocky River to Opera | 4,319.13 mi (6,950.97 km) |
| Rocky River to Oppeano | 4,402.44 mi (7,085.04 km) |
| Rocky River to Orbassano | 4,263.58 mi (6,861.56 km) |
