| Prospect Heights to Montijo | 4,107.27 mi (6,610.02 km) |
| Prospect Heights to Montilla | 4,247.26 mi (6,835.30 km) |
| Prospect Heights to Montmelo | 4,401.39 mi (7,083.35 km) |
| Prospect Heights to Montornes del Valles | 4,402.51 mi (7,085.16 km) |
| Prospect Heights to Montoro | 4,242.43 mi (6,827.53 km) |
| Prospect Heights to Monzon | 4,299.34 mi (6,919.12 km) |
| Prospect Heights to Mora | 4,207.79 mi (6,771.78 km) |
| Prospect Heights to Moralzarzal | 4,162.81 mi (6,699.40 km) |
| Prospect Heights to Moron de la Frontera | 4,226.87 mi (6,802.49 km) |
| Prospect Heights to Mostoles | 4,179.87 mi (6,726.85 km) |
| Prospect Heights to Motril | 4,330.28 mi (6,968.91 km) |
| Prospect Heights to Muchamiel | 4,405.36 mi (7,089.74 km) |
| Prospect Heights to Mula | 4,372.83 mi (7,037.38 km) |
| Prospect Heights to Munguia | 4,115.53 mi (6,623.30 km) |
| Prospect Heights to Murcia | 4,391.23 mi (7,067.00 km) |
