| South Houston to Manerbio | 5,459.92 mi (8,786.89 km) |
| South Houston to Manfredonia | 5,843.80 mi (9,404.69 km) |
| South Houston to Maniago | 5,535.88 mi (8,909.14 km) |
| South Houston to Mantova | 5,494.77 mi (8,842.99 km) |
| South Houston to Maranello | 5,520.69 mi (8,884.69 km) |
| South Houston to Marano di Napoli | 5,799.11 mi (9,332.77 km) |
| South Houston to Marano Vicentino | 5,501.26 mi (8,853.43 km) |
| South Houston to Marcianise | 5,798.91 mi (9,332.44 km) |
| South Houston to Marcon | 5,541.97 mi (8,918.94 km) |
| South Houston to Mareno di Piave | 5,533.39 mi (8,905.13 km) |
| South Houston to Margherita di Savoia | 5,864.34 mi (9,437.74 km) |
| South Houston to Mariano Comense | 5,408.65 mi (8,704.38 km) |
| South Houston to Marigliano | 5,809.27 mi (9,349.12 km) |
| South Houston to Marino | 5,700.40 mi (9,173.90 km) |
| South Houston to Marostica | 5,508.64 mi (8,865.30 km) |
