| Storm Lake to Montalegre | 4,251.95 mi (6,842.85 km) |
| Storm Lake to Montemor-o-Novo | 4,355.64 mi (7,009.72 km) |
| Storm Lake to Montemor-o-Velho | 4,276.29 mi (6,882.02 km) |
| Storm Lake to Montijo | 4,323.91 mi (6,958.66 km) |
| Storm Lake to Mortagua | 4,285.80 mi (6,897.33 km) |
| Storm Lake to Moura | 4,410.10 mi (7,097.37 km) |
| Storm Lake to Murtosa | 4,256.85 mi (6,850.74 km) |
| Storm Lake to Nazare | 4,281.10 mi (6,889.76 km) |
| Storm Lake to Nelas | 4,299.34 mi (6,919.12 km) |
| Storm Lake to Obidos | 4,286.35 mi (6,898.22 km) |
| Storm Lake to Odemira | 4,378.90 mi (7,047.16 km) |
| Storm Lake to Odivelas | 4,307.28 mi (6,931.90 km) |
| Storm Lake to Oeiras | 4,305.30 mi (6,928.72 km) |
| Storm Lake to Olhao | 4,436.66 mi (7,140.11 km) |
| Storm Lake to Oliveira de Azemeis | 4,259.70 mi (6,855.32 km) |
