| Penarth to Miranda de Ebro | 604.44 mi (972.75 km) |
| Penarth to Mislata | 836.57 mi (1,346.33 km) |
| Penarth to Moana | 684.27 mi (1,101.22 km) |
| Penarth to Moguer | 994.36 mi (1,600.27 km) |
| Penarth to Molina de Segura | 929.02 mi (1,495.12 km) |
| Penarth to Molins de Rey | 734.33 mi (1,181.79 km) |
| Penarth to Mollerusa | 703.76 mi (1,132.59 km) |
| Penarth to Mollet | 729.49 mi (1,174.00 km) |
| Penarth to Moncada | 732.32 mi (1,178.56 km) |
| Penarth to Moncada | 831.90 mi (1,338.81 km) |
| Penarth to Monforte de Lemos | 648.76 mi (1,044.08 km) |
| Penarth to Monforte del Cid | 909.46 mi (1,463.63 km) |
| Penarth to Mongat | 735.13 mi (1,183.08 km) |
| Penarth to Monovar | 904.83 mi (1,456.18 km) |
| Penarth to Monserrat | 843.24 mi (1,357.06 km) |
