| Tonyrefail to Nasaud | 1,277.21 mi (2,055.48 km) |
| Tonyrefail to Navodari | 1,550.80 mi (2,495.78 km) |
| Tonyrefail to Negresti-Oas | 1,219.24 mi (1,962.18 km) |
| Tonyrefail to Nehoiu | 1,417.28 mi (2,280.90 km) |
| Tonyrefail to Ocna Mures | 1,279.90 mi (2,059.81 km) |
| Tonyrefail to Odobesti | 1,436.50 mi (2,311.82 km) |
| Tonyrefail to Odorheiu Secuiesc | 1,343.90 mi (2,162.79 km) |
| Tonyrefail to Oltenita | 1,474.93 mi (2,373.68 km) |
| Tonyrefail to Onesti | 1,408.45 mi (2,266.68 km) |
| Tonyrefail to Oradea | 1,176.74 mi (1,893.78 km) |
| Tonyrefail to Orastie | 1,268.73 mi (2,041.82 km) |
| Tonyrefail to Oravita | 1,231.89 mi (1,982.54 km) |
| Tonyrefail to Orsova | 1,272.93 mi (2,048.58 km) |
| Tonyrefail to Otelu Rosu | 1,243.66 mi (2,001.48 km) |
| Tonyrefail to Otopeni | 1,434.49 mi (2,308.58 km) |
