| Pen-y-Bont ar Ogwr to Miranda de Ebro | 610.42 mi (982.38 km) |
| Pen-y-Bont ar Ogwr to Mislata | 845.13 mi (1,360.10 km) |
| Pen-y-Bont ar Ogwr to Moana | 682.05 mi (1,097.65 km) |
| Pen-y-Bont ar Ogwr to Moguer | 996.20 mi (1,603.22 km) |
| Pen-y-Bont ar Ogwr to Molina de Segura | 936.55 mi (1,507.23 km) |
| Pen-y-Bont ar Ogwr to Molins de Rey | 745.93 mi (1,200.45 km) |
| Pen-y-Bont ar Ogwr to Mollerusa | 714.32 mi (1,149.58 km) |
| Pen-y-Bont ar Ogwr to Mollet | 741.33 mi (1,193.05 km) |
| Pen-y-Bont ar Ogwr to Moncada | 744.11 mi (1,197.53 km) |
| Pen-y-Bont ar Ogwr to Moncada | 840.49 mi (1,352.64 km) |
| Pen-y-Bont ar Ogwr to Monforte de Lemos | 648.06 mi (1,042.96 km) |
| Pen-y-Bont ar Ogwr to Monforte del Cid | 917.50 mi (1,476.58 km) |
| Pen-y-Bont ar Ogwr to Mongat | 747.00 mi (1,202.18 km) |
| Pen-y-Bont ar Ogwr to Monovar | 912.78 mi (1,468.97 km) |
| Pen-y-Bont ar Ogwr to Monserrat | 851.58 mi (1,370.48 km) |
