| Rio Grande City to Manerbio | 5,775.07 mi (9,294.07 km) |
| Rio Grande City to Manfredonia | 6,159.02 mi (9,911.98 km) |
| Rio Grande City to Maniago | 5,850.70 mi (9,415.80 km) |
| Rio Grande City to Mantova | 5,809.92 mi (9,350.16 km) |
| Rio Grande City to Maranello | 5,835.88 mi (9,391.95 km) |
| Rio Grande City to Marano di Napoli | 6,114.30 mi (9,840.01 km) |
| Rio Grande City to Marano Vicentino | 5,816.29 mi (9,360.42 km) |
| Rio Grande City to Marcianise | 6,114.11 mi (9,839.71 km) |
| Rio Grande City to Marcon | 5,856.96 mi (9,425.87 km) |
| Rio Grande City to Mareno di Piave | 5,848.32 mi (9,411.96 km) |
| Rio Grande City to Margherita di Savoia | 6,179.56 mi (9,945.04 km) |
| Rio Grande City to Mariano Comense | 5,723.81 mi (9,211.58 km) |
| Rio Grande City to Marigliano | 6,124.47 mi (9,856.38 km) |
| Rio Grande City to Marino | 6,015.59 mi (9,681.16 km) |
| Rio Grande City to Marostica | 5,823.64 mi (9,372.25 km) |
