| Llanelli to Montalegre | 702.41 mi (1,130.42 km) |
| Llanelli to Montemor-o-Novo | 921.58 mi (1,483.15 km) |
| Llanelli to Montemor-o-Velho | 824.48 mi (1,326.87 km) |
| Llanelli to Montijo | 926.90 mi (1,491.71 km) |
| Llanelli to Mortagua | 801.14 mi (1,289.31 km) |
| Llanelli to Moura | 949.72 mi (1,528.43 km) |
| Llanelli to Murtosa | 785.85 mi (1,264.70 km) |
| Llanelli to Nazare | 867.37 mi (1,395.89 km) |
| Llanelli to Nelas | 791.28 mi (1,273.44 km) |
| Llanelli to Obidos | 884.76 mi (1,423.89 km) |
| Llanelli to Odemira | 998.26 mi (1,606.55 km) |
| Llanelli to Odivelas | 923.14 mi (1,485.64 km) |
| Llanelli to Oeiras | 932.07 mi (1,500.02 km) |
| Llanelli to Olhao | 1,028.60 mi (1,655.37 km) |
| Llanelli to Oliveira de Azemeis | 776.69 mi (1,249.96 km) |
