| Cayey to Miranda de Ebro | 4,028.08 mi (6,482.57 km) |
| Cayey to Mislata | 4,150.08 mi (6,678.91 km) |
| Cayey to Moana | 3,730.50 mi (6,003.66 km) |
| Cayey to Moguer | 3,797.34 mi (6,111.23 km) |
| Cayey to Molina de Segura | 4,106.47 mi (6,608.72 km) |
| Cayey to Molins de Rey | 4,278.62 mi (6,885.77 km) |
| Cayey to Mollerusa | 4,220.82 mi (6,792.76 km) |
| Cayey to Mollet | 4,288.71 mi (6,902.01 km) |
| Cayey to Moncada | 4,287.53 mi (6,900.12 km) |
| Cayey to Moncada | 4,151.19 mi (6,680.70 km) |
| Cayey to Monforte de Lemos | 3,795.05 mi (6,107.54 km) |
| Cayey to Monforte del Cid | 4,132.74 mi (6,651.00 km) |
| Cayey to Mongat | 4,292.25 mi (6,907.71 km) |
| Cayey to Monovar | 4,126.91 mi (6,641.62 km) |
| Cayey to Monserrat | 4,139.99 mi (6,662.67 km) |
