| Front Royal to Montalegre | 3,603.54 mi (5,799.34 km) |
| Front Royal to Montemor-o-Novo | 3,668.21 mi (5,903.42 km) |
| Front Royal to Montemor-o-Velho | 3,603.88 mi (5,799.89 km) |
| Front Royal to Montijo | 3,633.55 mi (5,847.64 km) |
| Front Royal to Mortagua | 3,618.66 mi (5,823.67 km) |
| Front Royal to Moura | 3,720.73 mi (5,987.94 km) |
| Front Royal to Murtosa | 3,591.34 mi (5,779.71 km) |
| Front Royal to Nazare | 3,600.31 mi (5,794.15 km) |
| Front Royal to Nelas | 3,635.02 mi (5,850.00 km) |
| Front Royal to Obidos | 3,602.37 mi (5,797.45 km) |
| Front Royal to Odemira | 3,677.78 mi (5,918.82 km) |
| Front Royal to Odivelas | 3,616.78 mi (5,820.65 km) |
| Front Royal to Oeiras | 3,612.95 mi (5,814.48 km) |
| Front Royal to Olhao | 3,733.47 mi (6,008.44 km) |
| Front Royal to Oliveira de Azemeis | 3,596.21 mi (5,787.54 km) |
