| Annapolis to Montalegre | 3,521.71 mi (5,667.65 km) |
| Annapolis to Montemor-o-Novo | 3,584.00 mi (5,767.88 km) |
| Annapolis to Montemor-o-Velho | 3,520.60 mi (5,665.86 km) |
| Annapolis to Montijo | 3,549.21 mi (5,711.90 km) |
| Annapolis to Mortagua | 3,535.68 mi (5,690.12 km) |
| Annapolis to Moura | 3,636.35 mi (5,852.14 km) |
| Annapolis to Murtosa | 3,508.49 mi (5,646.36 km) |
| Annapolis to Nazare | 3,516.55 mi (5,659.34 km) |
| Annapolis to Nelas | 3,552.18 mi (5,716.69 km) |
| Annapolis to Obidos | 3,518.42 mi (5,662.34 km) |
| Annapolis to Odemira | 3,592.80 mi (5,782.05 km) |
| Annapolis to Odivelas | 3,532.44 mi (5,684.92 km) |
| Annapolis to Oeiras | 3,528.51 mi (5,678.59 km) |
| Annapolis to Olhao | 3,648.32 mi (5,871.41 km) |
| Annapolis to Oliveira de Azemeis | 3,513.47 mi (5,654.38 km) |
