| Rio Grande City to Marsala | 6,156.27 mi (9,907.56 km) |
| Rio Grande City to Marsciano | 5,957.76 mi (9,588.08 km) |
| Rio Grande City to Martano | 6,317.92 mi (10,167.71 km) |
| Rio Grande City to Martellago | 5,851.48 mi (9,417.05 km) |
| Rio Grande City to Martina Franca | 6,256.53 mi (10,068.91 km) |
| Rio Grande City to Martinengo | 5,752.60 mi (9,257.92 km) |
| Rio Grande City to Martinsicuro | 6,025.74 mi (9,697.49 km) |
| Rio Grande City to Mascali | 6,283.02 mi (10,111.55 km) |
| Rio Grande City to Mascalucia | 6,283.57 mi (10,112.44 km) |
| Rio Grande City to Masera di Padova | 5,848.22 mi (9,411.81 km) |
| Rio Grande City to Maserada sul Piave | 5,850.31 mi (9,415.16 km) |
| Rio Grande City to Massa | 5,823.29 mi (9,371.68 km) |
| Rio Grande City to Massa Lombarda | 5,878.51 mi (9,460.54 km) |
| Rio Grande City to Massafra | 6,252.17 mi (10,061.90 km) |
| Rio Grande City to Massalubrense | 6,132.57 mi (9,869.42 km) |
