| Galveston to Melzo | 5,431.95 mi (8,741.87 km) |
| Galveston to Mendicino | 5,956.19 mi (9,585.57 km) |
| Galveston to Menfi | 5,876.80 mi (9,457.80 km) |
| Galveston to Mentana | 5,695.64 mi (9,166.24 km) |
| Galveston to Merano | 5,462.15 mi (8,790.49 km) |
| Galveston to Merate | 5,425.65 mi (8,731.73 km) |
| Galveston to Mercato San Severino | 5,834.17 mi (9,389.19 km) |
| Galveston to Mercogliano | 5,827.69 mi (9,378.76 km) |
| Galveston to Mesagne | 5,972.54 mi (9,611.88 km) |
| Galveston to Messina | 5,970.52 mi (9,608.63 km) |
| Galveston to Mestre | 5,549.01 mi (8,930.27 km) |
| Galveston to Mestrino | 5,531.15 mi (8,901.52 km) |
| Galveston to Milan | 5,423.62 mi (8,728.48 km) |
| Galveston to Milazzo | 5,955.47 mi (9,584.41 km) |
| Galveston to Minerbio | 5,549.32 mi (8,930.76 km) |
