| Hartford to Manerbio | 3,962.39 mi (6,376.86 km) |
| Hartford to Manfredonia | 4,343.30 mi (6,989.87 km) |
| Hartford to Maniago | 4,044.66 mi (6,509.25 km) |
| Hartford to Mantova | 3,997.43 mi (6,433.24 km) |
| Hartford to Maranello | 4,021.62 mi (6,472.17 km) |
| Hartford to Marano di Napoli | 4,295.16 mi (6,912.39 km) |
| Hartford to Marano Vicentino | 4,006.51 mi (6,447.85 km) |
| Hartford to Marcianise | 4,295.32 mi (6,912.66 km) |
| Hartford to Marcon | 4,047.95 mi (6,514.54 km) |
| Hartford to Mareno di Piave | 4,040.43 mi (6,502.45 km) |
| Hartford to Margherita di Savoia | 4,363.49 mi (7,022.36 km) |
| Hartford to Mariano Comense | 3,910.99 mi (6,294.13 km) |
| Hartford to Marigliano | 4,305.64 mi (6,929.26 km) |
| Hartford to Marino | 4,196.69 mi (6,753.92 km) |
| Hartford to Marostica | 4,014.35 mi (6,460.46 km) |
