| Rhymney to Montalegre | 718.52 mi (1,156.34 km) |
| Rhymney to Montemor-o-Novo | 936.49 mi (1,507.14 km) |
| Rhymney to Montemor-o-Velho | 841.31 mi (1,353.95 km) |
| Rhymney to Montijo | 943.18 mi (1,517.90 km) |
| Rhymney to Mortagua | 817.20 mi (1,315.15 km) |
| Rhymney to Moura | 962.83 mi (1,549.53 km) |
| Rhymney to Murtosa | 803.00 mi (1,292.31 km) |
| Rhymney to Nazare | 884.58 mi (1,423.59 km) |
| Rhymney to Nelas | 806.54 mi (1,298.00 km) |
| Rhymney to Obidos | 901.98 mi (1,451.60 km) |
| Rhymney to Odemira | 1,013.42 mi (1,630.93 km) |
| Rhymney to Odivelas | 940.02 mi (1,512.82 km) |
| Rhymney to Oeiras | 949.15 mi (1,527.50 km) |
| Rhymney to Olhao | 1,042.00 mi (1,676.94 km) |
| Rhymney to Oliveira de Azemeis | 793.58 mi (1,277.14 km) |
