| Risca to Nasaud | 1,262.73 mi (2,032.16 km) |
| Risca to Navodari | 1,536.50 mi (2,472.76 km) |
| Risca to Negresti-Oas | 1,204.72 mi (1,938.81 km) |
| Risca to Nehoiu | 1,402.97 mi (2,257.86 km) |
| Risca to Ocna Mures | 1,265.56 mi (2,036.73 km) |
| Risca to Odobesti | 1,422.09 mi (2,288.64 km) |
| Risca to Odorheiu Secuiesc | 1,329.50 mi (2,139.62 km) |
| Risca to Oltenita | 1,460.79 mi (2,350.91 km) |
| Risca to Onesti | 1,394.00 mi (2,243.42 km) |
| Risca to Oradea | 1,162.39 mi (1,870.69 km) |
| Risca to Orastie | 1,254.52 mi (2,018.95 km) |
| Risca to Oravita | 1,217.97 mi (1,960.13 km) |
| Risca to Orsova | 1,259.01 mi (2,026.18 km) |
| Risca to Otelu Rosu | 1,229.58 mi (1,978.81 km) |
| Risca to Otopeni | 1,420.30 mi (2,285.76 km) |
