| Rio Grande City to Mansfield | 5,077.45 mi (8,171.37 km) |
| Rio Grande City to March | 5,142.72 mi (8,276.41 km) |
| Rio Grande City to Margate | 5,225.76 mi (8,410.04 km) |
| Rio Grande City to Market Drayton | 5,033.85 mi (8,101.19 km) |
| Rio Grande City to Market Harborough | 5,105.63 mi (8,216.71 km) |
| Rio Grande City to Marlow | 5,135.35 mi (8,264.55 km) |
| Rio Grande City to Marple | 5,037.80 mi (8,107.55 km) |
| Rio Grande City to Marton | 5,041.15 mi (8,112.94 km) |
| Rio Grande City to Maryport | 4,951.32 mi (7,968.38 km) |
| Rio Grande City to Matlock | 5,063.98 mi (8,149.69 km) |
| Rio Grande City to Melksham | 5,086.57 mi (8,186.04 km) |
| Rio Grande City to Meltham | 5,040.93 mi (8,112.59 km) |
| Rio Grande City to Melton Mowbray | 5,099.33 mi (8,206.58 km) |
| Rio Grande City to Merthyr Tudful | 5,027.59 mi (8,091.12 km) |
| Rio Grande City to Methil | 4,933.96 mi (7,940.44 km) |
