| Arcata to Montalegre | 5,474.97 mi (8,811.11 km) |
| Arcata to Montemor-o-Novo | 5,618.36 mi (9,041.88 km) |
| Arcata to Montemor-o-Velho | 5,525.41 mi (8,892.28 km) |
| Arcata to Montijo | 5,591.23 mi (8,998.22 km) |
| Arcata to Mortagua | 5,528.54 mi (8,897.32 km) |
| Arcata to Moura | 5,672.82 mi (9,129.51 km) |
| Arcata to Murtosa | 5,499.05 mi (8,849.87 km) |
| Arcata to Nazare | 5,539.45 mi (8,914.88 km) |
| Arcata to Nelas | 5,538.27 mi (8,912.98 km) |
| Arcata to Obidos | 5,548.08 mi (8,928.76 km) |
| Arcata to Odemira | 5,656.16 mi (9,102.71 km) |
| Arcata to Odivelas | 5,575.45 mi (8,972.82 km) |
| Arcata to Oeiras | 5,575.62 mi (8,973.10 km) |
| Arcata to Olhao | 5,714.05 mi (9,195.88 km) |
| Arcata to Oliveira de Azemeis | 5,499.49 mi (8,850.57 km) |
