| Houston to Miranda de Ebro | 4,972.93 mi (8,003.15 km) |
| Houston to Mislata | 5,186.42 mi (8,346.73 km) |
| Houston to Moana | 4,710.03 mi (7,580.05 km) |
| Houston to Moguer | 4,935.87 mi (7,943.52 km) |
| Houston to Molina de Segura | 5,191.69 mi (8,355.22 km) |
| Houston to Molins de Rey | 5,239.64 mi (8,432.39 km) |
| Houston to Mollerusa | 5,181.22 mi (8,338.37 km) |
| Houston to Mollet | 5,244.72 mi (8,440.56 km) |
| Houston to Moncada | 5,245.23 mi (8,441.38 km) |
| Houston to Moncada | 5,185.20 mi (8,344.77 km) |
| Houston to Monforte de Lemos | 4,762.80 mi (7,664.99 km) |
| Houston to Monforte del Cid | 5,205.14 mi (8,376.86 km) |
| Houston to Mongat | 5,250.05 mi (8,449.14 km) |
| Houston to Monovar | 5,198.13 mi (8,365.59 km) |
| Houston to Monserrat | 5,181.08 mi (8,338.14 km) |
