| Arecibo to Montijo | 3,834.29 mi (6,170.69 km) |
| Arecibo to Montilla | 3,937.97 mi (6,337.55 km) |
| Arecibo to Montmelo | 4,306.30 mi (6,930.31 km) |
| Arecibo to Montornes del Valles | 4,307.18 mi (6,931.74 km) |
| Arecibo to Montoro | 3,952.36 mi (6,360.70 km) |
| Arecibo to Monzon | 4,200.11 mi (6,759.42 km) |
| Arecibo to Mora | 3,988.63 mi (6,419.08 km) |
| Arecibo to Moralzarzal | 3,981.51 mi (6,407.62 km) |
| Arecibo to Moron de la Frontera | 3,892.22 mi (6,263.92 km) |
| Arecibo to Mostoles | 3,985.76 mi (6,414.46 km) |
| Arecibo to Motril | 3,998.69 mi (6,435.27 km) |
| Arecibo to Muchamiel | 4,166.28 mi (6,704.98 km) |
| Arecibo to Mula | 4,109.79 mi (6,614.07 km) |
| Arecibo to Munguia | 4,049.87 mi (6,517.63 km) |
| Arecibo to Murcia | 4,129.43 mi (6,645.68 km) |
