| Llanelli to Nasaud | 1,308.87 mi (2,106.42 km) |
| Llanelli to Navodari | 1,582.76 mi (2,547.20 km) |
| Llanelli to Negresti-Oas | 1,250.81 mi (2,012.98 km) |
| Llanelli to Nehoiu | 1,449.22 mi (2,332.30 km) |
| Llanelli to Ocna Mures | 1,311.82 mi (2,111.16 km) |
| Llanelli to Odobesti | 1,468.31 mi (2,363.02 km) |
| Llanelli to Odorheiu Secuiesc | 1,375.72 mi (2,214.01 km) |
| Llanelli to Oltenita | 1,507.01 mi (2,425.31 km) |
| Llanelli to Onesti | 1,440.18 mi (2,317.74 km) |
| Llanelli to Oradea | 1,208.64 mi (1,945.12 km) |
| Llanelli to Orastie | 1,300.77 mi (2,093.38 km) |
| Llanelli to Oravita | 1,264.05 mi (2,034.29 km) |
| Llanelli to Orsova | 1,305.08 mi (2,100.33 km) |
| Llanelli to Otelu Rosu | 1,275.77 mi (2,053.16 km) |
| Llanelli to Otopeni | 1,466.55 mi (2,360.18 km) |
