| New Port Richey to Mangualde | 4,229.13 mi (6,806.12 km) |
| New Port Richey to Marco de Canavezes | 4,199.95 mi (6,759.17 km) |
| New Port Richey to Marinha Grande | 4,183.12 mi (6,732.08 km) |
| New Port Richey to Massama | 4,181.88 mi (6,730.08 km) |
| New Port Richey to Matosinhos | 4,172.11 mi (6,714.37 km) |
| New Port Richey to Mealhada | 4,197.60 mi (6,755.39 km) |
| New Port Richey to Melgaco | 4,179.49 mi (6,726.24 km) |
| New Port Richey to Melres | 4,189.15 mi (6,741.79 km) |
| New Port Richey to Mira | 4,182.30 mi (6,730.76 km) |
| New Port Richey to Miranda do Corvo | 4,208.23 mi (6,772.49 km) |
| New Port Richey to Mirandela | 4,243.90 mi (6,829.89 km) |
| New Port Richey to Mogadouro | 4,269.81 mi (6,871.60 km) |
| New Port Richey to Moimenta da Beira | 4,230.41 mi (6,808.19 km) |
| New Port Richey to Moita | 4,198.92 mi (6,757.51 km) |
| New Port Richey to Moncao | 4,169.48 mi (6,710.14 km) |
