| Leighton Buzzard to Montalegre | 773.56 mi (1,244.93 km) |
| Leighton Buzzard to Montemor-o-Novo | 986.18 mi (1,587.10 km) |
| Leighton Buzzard to Montemor-o-Velho | 897.08 mi (1,443.71 km) |
| Leighton Buzzard to Montijo | 996.62 mi (1,603.90 km) |
| Leighton Buzzard to Mortagua | 871.07 mi (1,401.85 km) |
| Leighton Buzzard to Moura | 1,007.29 mi (1,621.07 km) |
| Leighton Buzzard to Murtosa | 860.01 mi (1,384.05 km) |
| Leighton Buzzard to Nazare | 941.04 mi (1,514.45 km) |
| Leighton Buzzard to Nelas | 858.34 mi (1,381.36 km) |
| Leighton Buzzard to Obidos | 958.34 mi (1,542.30 km) |
| Leighton Buzzard to Odemira | 1,063.24 mi (1,711.11 km) |
| Leighton Buzzard to Odivelas | 995.17 mi (1,601.57 km) |
| Leighton Buzzard to Oeiras | 1,004.76 mi (1,617.01 km) |
| Leighton Buzzard to Olhao | 1,086.72 mi (1,748.91 km) |
| Leighton Buzzard to Oliveira de Azemeis | 849.96 mi (1,367.88 km) |
