| Cave Spring to Miranda de Ebro | 3,955.18 mi (6,365.25 km) |
| Cave Spring to Mislata | 4,165.52 mi (6,703.76 km) |
| Cave Spring to Moana | 3,689.22 mi (5,937.22 km) |
| Cave Spring to Moguer | 3,913.67 mi (6,298.45 km) |
| Cave Spring to Molina de Segura | 4,169.56 mi (6,710.26 km) |
| Cave Spring to Molins de Rey | 4,222.68 mi (6,795.75 km) |
| Cave Spring to Mollerusa | 4,163.91 mi (6,701.17 km) |
| Cave Spring to Mollet | 4,228.11 mi (6,804.49 km) |
| Cave Spring to Moncada | 4,228.52 mi (6,805.15 km) |
| Cave Spring to Moncada | 4,164.37 mi (6,701.91 km) |
| Cave Spring to Monforte de Lemos | 3,742.69 mi (6,023.27 km) |
| Cave Spring to Monforte del Cid | 4,183.28 mi (6,732.34 km) |
| Cave Spring to Mongat | 4,233.37 mi (6,812.95 km) |
| Cave Spring to Monovar | 4,176.29 mi (6,721.09 km) |
| Cave Spring to Monserrat | 4,160.00 mi (6,694.88 km) |
