| Elk River to Nasaud | 5,017.08 mi (8,074.21 km) |
| Elk River to Navodari | 5,303.63 mi (8,535.37 km) |
| Elk River to Negresti-Oas | 4,956.49 mi (7,976.69 km) |
| Elk River to Nehoiu | 5,177.50 mi (8,332.38 km) |
| Elk River to Ocna Mures | 5,047.08 mi (8,122.48 km) |
| Elk River to Odobesti | 5,178.45 mi (8,333.91 km) |
| Elk River to Odorheiu Secuiesc | 5,095.56 mi (8,200.51 km) |
| Elk River to Oltenita | 5,255.79 mi (8,458.37 km) |
| Elk River to Onesti | 5,143.04 mi (8,276.92 km) |
| Elk River to Oradea | 4,951.04 mi (7,967.93 km) |
| Elk River to Orastie | 5,054.62 mi (8,134.63 km) |
| Elk River to Oravita | 5,048.16 mi (8,124.23 km) |
| Elk River to Orsova | 5,087.50 mi (8,187.54 km) |
| Elk River to Otelu Rosu | 5,044.93 mi (8,119.03 km) |
| Elk River to Otopeni | 5,213.28 mi (8,389.96 km) |
