| Knokke-Heist to Montemor-o-Novo | 1,038.82 mi (1,671.82 km) |
| Knokke-Heist to Montemor-o-Velho | 961.31 mi (1,547.08 km) |
| Knokke-Heist to Montijo | 1,054.90 mi (1,697.69 km) |
| Knokke-Heist to Mortagua | 933.04 mi (1,501.59 km) |
| Knokke-Heist to Moura | 1,051.31 mi (1,691.91 km) |
| Knokke-Heist to Murtosa | 927.11 mi (1,492.04 km) |
| Knokke-Heist to Nazare | 1,005.27 mi (1,617.82 km) |
| Knokke-Heist to Nelas | 917.48 mi (1,476.55 km) |
| Knokke-Heist to Obidos | 1,022.02 mi (1,644.78 km) |
| Knokke-Heist to Odemira | 1,114.48 mi (1,793.58 km) |
| Knokke-Heist to Odivelas | 1,056.15 mi (1,699.71 km) |
| Knokke-Heist to Oeiras | 1,066.28 mi (1,716.02 km) |
| Knokke-Heist to Olhao | 1,129.50 mi (1,817.75 km) |
| Knokke-Heist to Oliveira de Azemeis | 916.38 mi (1,474.77 km) |
| Knokke-Heist to Oliveira de Frades | 915.13 mi (1,472.76 km) |
