| Clydebank to Montalegre | 984.44 mi (1,584.30 km) |
| Clydebank to Montemor-o-Novo | 1,204.73 mi (1,938.83 km) |
| Clydebank to Montemor-o-Velho | 1,104.38 mi (1,777.32 km) |
| Clydebank to Montijo | 1,207.45 mi (1,943.20 km) |
| Clydebank to Mortagua | 1,082.70 mi (1,742.44 km) |
| Clydebank to Moura | 1,235.61 mi (1,988.53 km) |
| Clydebank to Murtosa | 1,065.29 mi (1,714.42 km) |
| Clydebank to Nazare | 1,146.22 mi (1,844.67 km) |
| Clydebank to Nelas | 1,074.33 mi (1,728.96 km) |
| Clydebank to Obidos | 1,163.50 mi (1,872.47 km) |
| Clydebank to Odemira | 1,280.72 mi (2,061.12 km) |
| Clydebank to Odivelas | 1,202.42 mi (1,935.11 km) |
| Clydebank to Oeiras | 1,210.89 mi (1,948.73 km) |
| Clydebank to Olhao | 1,313.88 mi (2,114.49 km) |
| Clydebank to Oliveira de Azemeis | 1,056.73 mi (1,700.65 km) |
