| Llantrisant to Nasaud | 1,274.71 mi (2,051.44 km) |
| Llantrisant to Navodari | 1,548.12 mi (2,491.46 km) |
| Llantrisant to Negresti-Oas | 1,216.78 mi (1,958.21 km) |
| Llantrisant to Nehoiu | 1,414.61 mi (2,276.60 km) |
| Llantrisant to Ocna Mures | 1,277.25 mi (2,055.54 km) |
| Llantrisant to Odobesti | 1,433.91 mi (2,307.65 km) |
| Llantrisant to Odorheiu Secuiesc | 1,341.30 mi (2,158.61 km) |
| Llantrisant to Oltenita | 1,472.14 mi (2,369.18 km) |
| Llantrisant to Onesti | 1,405.91 mi (2,262.59 km) |
| Llantrisant to Oradea | 1,174.09 mi (1,889.52 km) |
| Llantrisant to Orastie | 1,265.98 mi (2,037.39 km) |
| Llantrisant to Oravita | 1,228.97 mi (1,977.84 km) |
| Llantrisant to Orsova | 1,270.00 mi (2,043.88 km) |
| Llantrisant to Otelu Rosu | 1,240.83 mi (1,996.92 km) |
| Llantrisant to Otopeni | 1,431.71 mi (2,304.12 km) |
