| Mason City to Lydney | 3,999.46 mi (6,436.51 km) |
| Mason City to Lye | 3,988.97 mi (6,419.63 km) |
| Mason City to Lymington | 4,070.61 mi (6,551.02 km) |
| Mason City to Lymm | 3,944.07 mi (6,347.37 km) |
| Mason City to Mablethorpe | 4,042.76 mi (6,506.19 km) |
| Mason City to Macclesfield | 3,961.01 mi (6,374.63 km) |
| Mason City to Mackworth | 3,993.47 mi (6,426.86 km) |
| Mason City to Madeley | 3,970.73 mi (6,390.27 km) |
| Mason City to Maesteg | 3,962.07 mi (6,376.33 km) |
| Mason City to Maghull | 3,922.68 mi (6,312.95 km) |
| Mason City to Maidenhead | 4,073.34 mi (6,555.41 km) |
| Mason City to Maidstone | 4,128.03 mi (6,643.42 km) |
| Mason City to Maldon | 4,116.29 mi (6,624.52 km) |
| Mason City to Maltby | 3,987.71 mi (6,417.60 km) |
| Mason City to Manchester | 3,949.00 mi (6,355.30 km) |
