| Tarpon Springs to Mangualde | 4,235.13 mi (6,815.78 km) |
| Tarpon Springs to Marco de Canavezes | 4,205.99 mi (6,768.89 km) |
| Tarpon Springs to Marinha Grande | 4,189.03 mi (6,741.60 km) |
| Tarpon Springs to Massama | 4,187.70 mi (6,739.45 km) |
| Tarpon Springs to Matosinhos | 4,178.14 mi (6,724.07 km) |
| Tarpon Springs to Mealhada | 4,203.57 mi (6,765.00 km) |
| Tarpon Springs to Melgaco | 4,185.60 mi (6,736.07 km) |
| Tarpon Springs to Melres | 4,195.18 mi (6,751.49 km) |
| Tarpon Springs to Mira | 4,188.27 mi (6,740.38 km) |
| Tarpon Springs to Miranda do Corvo | 4,214.18 mi (6,782.07 km) |
| Tarpon Springs to Mirandela | 4,249.97 mi (6,839.67 km) |
| Tarpon Springs to Mogadouro | 4,275.88 mi (6,881.37 km) |
| Tarpon Springs to Moimenta da Beira | 4,236.44 mi (6,817.90 km) |
| Tarpon Springs to Moita | 4,204.74 mi (6,766.88 km) |
| Tarpon Springs to Moncao | 4,175.59 mi (6,719.96 km) |
