| Porthcawl to Miranda de Ebro | 608.83 mi (979.81 km) |
| Porthcawl to Mislata | 844.27 mi (1,358.72 km) |
| Porthcawl to Moana | 678.46 mi (1,091.88 km) |
| Porthcawl to Moguer | 993.49 mi (1,598.86 km) |
| Porthcawl to Molina de Segura | 935.37 mi (1,505.33 km) |
| Porthcawl to Molins de Rey | 746.09 mi (1,200.72 km) |
| Porthcawl to Mollerusa | 714.12 mi (1,149.27 km) |
| Porthcawl to Mollet | 741.58 mi (1,193.45 km) |
| Porthcawl to Moncada | 744.35 mi (1,197.91 km) |
| Porthcawl to Moncada | 839.64 mi (1,351.28 km) |
| Porthcawl to Monforte de Lemos | 644.80 mi (1,037.71 km) |
| Porthcawl to Monforte del Cid | 916.48 mi (1,474.94 km) |
| Porthcawl to Mongat | 747.26 mi (1,202.61 km) |
| Porthcawl to Monovar | 911.73 mi (1,467.29 km) |
| Porthcawl to Monserrat | 850.65 mi (1,369.00 km) |
