| Fountain Valley to Montalegre | 5,596.50 mi (9,006.70 km) |
| Fountain Valley to Montemor-o-Novo | 5,713.22 mi (9,194.55 km) |
| Fountain Valley to Montemor-o-Velho | 5,629.48 mi (9,059.78 km) |
| Fountain Valley to Montijo | 5,682.64 mi (9,145.33 km) |
| Fountain Valley to Mortagua | 5,637.06 mi (9,071.97 km) |
| Fountain Valley to Moura | 5,767.93 mi (9,282.58 km) |
| Fountain Valley to Murtosa | 5,607.79 mi (9,024.86 km) |
| Fountain Valley to Nazare | 5,637.09 mi (9,072.02 km) |
| Fountain Valley to Nelas | 5,649.45 mi (9,091.92 km) |
| Fountain Valley to Obidos | 5,643.34 mi (9,082.08 km) |
| Fountain Valley to Odemira | 5,740.51 mi (9,238.46 km) |
| Fountain Valley to Odivelas | 5,666.18 mi (9,118.83 km) |
| Fountain Valley to Oeiras | 5,664.78 mi (9,116.58 km) |
| Fountain Valley to Olhao | 5,798.53 mi (9,331.83 km) |
| Fountain Valley to Oliveira de Azemeis | 5,609.88 mi (9,028.23 km) |
