| Uckfield to Mangualde | 809.11 mi (1,302.13 km) |
| Uckfield to Marco de Canavezes | 782.20 mi (1,258.84 km) |
| Uckfield to Marinha Grande | 889.15 mi (1,430.95 km) |
| Uckfield to Massama | 958.88 mi (1,543.17 km) |
| Uckfield to Matosinhos | 795.69 mi (1,280.54 km) |
| Uckfield to Mealhada | 838.60 mi (1,349.59 km) |
| Uckfield to Melgaco | 728.53 mi (1,172.46 km) |
| Uckfield to Melres | 795.37 mi (1,280.03 km) |
| Uckfield to Mira | 842.25 mi (1,355.46 km) |
| Uckfield to Miranda do Corvo | 853.49 mi (1,373.56 km) |
| Uckfield to Mirandela | 741.17 mi (1,192.79 km) |
| Uckfield to Mogadouro | 740.71 mi (1,192.06 km) |
| Uckfield to Moimenta da Beira | 782.36 mi (1,259.08 km) |
| Uckfield to Moita | 958.96 mi (1,543.29 km) |
| Uckfield to Moncao | 736.64 mi (1,185.50 km) |
