| Seclin to Manfredonia | 869.86 mi (1,399.90 km) |
| Seclin to Maniago | 537.34 mi (864.76 km) |
| Seclin to Mantova | 517.44 mi (832.73 km) |
| Seclin to Maranello | 552.88 mi (889.77 km) |
| Seclin to Marano di Napoli | 854.71 mi (1,375.53 km) |
| Seclin to Marano Vicentino | 511.73 mi (823.56 km) |
| Seclin to Marcianise | 850.72 mi (1,369.10 km) |
| Seclin to Marcon | 549.18 mi (883.83 km) |
| Seclin to Mareno di Piave | 537.99 mi (865.81 km) |
| Seclin to Margherita di Savoia | 891.71 mi (1,435.07 km) |
| Seclin to Mariano Comense | 438.75 mi (706.10 km) |
| Seclin to Marigliano | 860.89 mi (1,385.47 km) |
| Seclin to Marino | 760.82 mi (1,224.42 km) |
| Seclin to Marostica | 517.34 mi (832.58 km) |
| Seclin to Marsala | 994.79 mi (1,600.97 km) |
