| Upper Grand Lagoon to Mancha Real | 4,582.82 mi (7,375.34 km) |
| Upper Grand Lagoon to Manilva | 4,532.57 mi (7,294.46 km) |
| Upper Grand Lagoon to Manises | 4,699.52 mi (7,563.14 km) |
| Upper Grand Lagoon to Manlleu | 4,767.20 mi (7,672.07 km) |
| Upper Grand Lagoon to Manresa | 4,752.69 mi (7,648.71 km) |
| Upper Grand Lagoon to Manzanares | 4,565.59 mi (7,347.60 km) |
| Upper Grand Lagoon to Manzanares el Real | 4,500.57 mi (7,242.97 km) |
| Upper Grand Lagoon to Maracena | 4,596.19 mi (7,396.86 km) |
| Upper Grand Lagoon to Marbella | 4,548.40 mi (7,319.94 km) |
| Upper Grand Lagoon to Marchena | 4,501.13 mi (7,243.87 km) |
| Upper Grand Lagoon to Marin | 4,227.32 mi (6,803.21 km) |
| Upper Grand Lagoon to Marratxi | 4,852.92 mi (7,810.02 km) |
| Upper Grand Lagoon to Martorell | 4,764.10 mi (7,667.08 km) |
| Upper Grand Lagoon to Martos | 4,566.42 mi (7,348.95 km) |
| Upper Grand Lagoon to Masamagrell | 4,703.23 mi (7,569.12 km) |
