| Delaware to Manerbio | 4,458.15 mi (7,174.69 km) |
| Delaware to Manfredonia | 4,843.06 mi (7,794.16 km) |
| Delaware to Maniago | 4,532.46 mi (7,294.29 km) |
| Delaware to Mantova | 4,492.92 mi (7,230.65 km) |
| Delaware to Maranello | 4,519.50 mi (7,273.43 km) |
| Delaware to Marano di Napoli | 4,800.70 mi (7,725.99 km) |
| Delaware to Marano Vicentino | 4,498.61 mi (7,239.81 km) |
| Delaware to Marcianise | 4,800.19 mi (7,725.17 km) |
| Delaware to Marcon | 4,539.11 mi (7,304.99 km) |
| Delaware to Mareno di Piave | 4,530.29 mi (7,290.80 km) |
| Delaware to Margherita di Savoia | 4,863.77 mi (7,827.48 km) |
| Delaware to Mariano Comense | 4,406.96 mi (7,092.32 km) |
| Delaware to Marigliano | 4,810.59 mi (7,741.89 km) |
| Delaware to Marino | 4,701.87 mi (7,566.93 km) |
| Delaware to Marostica | 4,505.86 mi (7,251.48 km) |
