| Kalkara to Montemor-o-Novo | 1,261.80 mi (2,030.68 km) |
| Kalkara to Montemor-o-Velho | 1,293.44 mi (2,081.58 km) |
| Kalkara to Montijo | 1,298.71 mi (2,090.07 km) |
| Kalkara to Mortagua | 1,271.91 mi (2,046.95 km) |
| Kalkara to Moura | 1,219.62 mi (1,962.79 km) |
| Kalkara to Murtosa | 1,295.34 mi (2,084.65 km) |
| Kalkara to Nazare | 1,310.43 mi (2,108.93 km) |
| Kalkara to Nelas | 1,252.66 mi (2,015.96 km) |
| Kalkara to Obidos | 1,314.28 mi (2,115.13 km) |
| Kalkara to Odemira | 1,284.61 mi (2,067.38 km) |
| Kalkara to Odivelas | 1,313.95 mi (2,114.60 km) |
| Kalkara to Oeiras | 1,321.18 mi (2,126.24 km) |
| Kalkara to Olhao | 1,242.77 mi (2,000.05 km) |
| Kalkara to Oliveira de Azemeis | 1,288.12 mi (2,073.04 km) |
| Kalkara to Oliveira de Frades | 1,271.84 mi (2,046.82 km) |
