| Welwyn Garden City to Manerbio | 647.48 mi (1,042.02 km) |
| Welwyn Garden City to Manfredonia | 1,033.25 mi (1,662.85 km) |
| Welwyn Garden City to Maniago | 701.62 mi (1,129.15 km) |
| Welwyn Garden City to Mantova | 679.98 mi (1,094.33 km) |
| Welwyn Garden City to Maranello | 714.24 mi (1,149.47 km) |
| Welwyn Garden City to Marano di Napoli | 1,015.12 mi (1,633.68 km) |
| Welwyn Garden City to Marano Vicentino | 675.76 mi (1,087.54 km) |
| Welwyn Garden City to Marcianise | 1,011.52 mi (1,627.89 km) |
| Welwyn Garden City to Marcon | 713.50 mi (1,148.27 km) |
| Welwyn Garden City to Mareno di Piave | 702.40 mi (1,130.40 km) |
| Welwyn Garden City to Margherita di Savoia | 1,055.04 mi (1,697.93 km) |
| Welwyn Garden City to Mariano Comense | 599.47 mi (964.75 km) |
| Welwyn Garden City to Marigliano | 1,021.78 mi (1,644.39 km) |
| Welwyn Garden City to Marino | 919.95 mi (1,480.52 km) |
| Welwyn Garden City to Marostica | 681.53 mi (1,096.82 km) |
