| Tonypandy to Nasaud | 1,278.21 mi (2,057.08 km) |
| Tonypandy to Navodari | 1,551.97 mi (2,497.65 km) |
| Tonypandy to Negresti-Oas | 1,220.20 mi (1,963.72 km) |
| Tonypandy to Nehoiu | 1,418.44 mi (2,282.75 km) |
| Tonypandy to Ocna Mures | 1,281.04 mi (2,061.63 km) |
| Tonypandy to Odobesti | 1,437.58 mi (2,313.55 km) |
| Tonypandy to Odorheiu Secuiesc | 1,344.98 mi (2,164.54 km) |
| Tonypandy to Oltenita | 1,476.21 mi (2,375.73 km) |
| Tonypandy to Onesti | 1,409.48 mi (2,268.34 km) |
| Tonypandy to Oradea | 1,177.87 mi (1,895.59 km) |
| Tonypandy to Orastie | 1,269.96 mi (2,043.80 km) |
| Tonypandy to Oravita | 1,233.29 mi (1,984.80 km) |
| Tonypandy to Orsova | 1,274.33 mi (2,050.84 km) |
| Tonypandy to Otelu Rosu | 1,244.97 mi (2,003.59 km) |
| Tonypandy to Otopeni | 1,435.74 mi (2,310.59 km) |
