| Fort Pierce to Montalegre | 4,120.52 mi (6,631.33 km) |
| Fort Pierce to Montemor-o-Novo | 4,143.65 mi (6,668.56 km) |
| Fort Pierce to Montemor-o-Velho | 4,097.35 mi (6,594.04 km) |
| Fort Pierce to Montijo | 4,107.16 mi (6,609.83 km) |
| Fort Pierce to Mortagua | 4,116.88 mi (6,625.48 km) |
| Fort Pierce to Moura | 4,192.13 mi (6,746.59 km) |
| Fort Pierce to Murtosa | 4,092.20 mi (6,585.76 km) |
| Fort Pierce to Nazare | 4,085.30 mi (6,574.65 km) |
| Fort Pierce to Nelas | 4,135.44 mi (6,655.34 km) |
| Fort Pierce to Obidos | 4,083.93 mi (6,572.44 km) |
| Fort Pierce to Odemira | 4,137.95 mi (6,659.39 km) |
| Fort Pierce to Odivelas | 4,090.87 mi (6,583.61 km) |
| Fort Pierce to Oeiras | 4,085.19 mi (6,574.48 km) |
| Fort Pierce to Olhao | 4,189.23 mi (6,741.91 km) |
| Fort Pierce to Oliveira de Azemeis | 4,098.89 mi (6,596.52 km) |
