| Rocky River to Nasaud | 4,827.20 mi (7,768.62 km) |
| Rocky River to Navodari | 5,114.51 mi (8,231.00 km) |
| Rocky River to Negresti-Oas | 4,766.10 mi (7,670.29 km) |
| Rocky River to Nehoiu | 4,982.89 mi (8,019.19 km) |
| Rocky River to Ocna Mures | 4,847.03 mi (7,800.54 km) |
| Rocky River to Odobesti | 4,991.37 mi (8,032.83 km) |
| Rocky River to Odorheiu Secuiesc | 4,902.84 mi (7,890.35 km) |
| Rocky River to Oltenita | 5,053.37 mi (8,132.61 km) |
| Rocky River to Onesti | 4,958.08 mi (7,979.26 km) |
| Rocky River to Oradea | 4,746.12 mi (7,638.14 km) |
| Rocky River to Orastie | 4,846.64 mi (7,799.92 km) |
| Rocky River to Oravita | 4,825.42 mi (7,765.76 km) |
| Rocky River to Orsova | 4,866.13 mi (7,831.28 km) |
| Rocky River to Otelu Rosu | 4,829.67 mi (7,772.60 km) |
| Rocky River to Otopeni | 5,011.14 mi (8,064.65 km) |
