| Celbridge to Montemor-o-Novo | 1,017.96 mi (1,638.25 km) |
| Celbridge to Montemor-o-Velho | 915.58 mi (1,473.49 km) |
| Celbridge to Montijo | 1,018.72 mi (1,639.46 km) |
| Celbridge to Mortagua | 895.14 mi (1,440.60 km) |
| Celbridge to Moura | 1,051.44 mi (1,692.13 km) |
| Celbridge to Murtosa | 876.37 mi (1,410.38 km) |
| Celbridge to Nazare | 956.64 mi (1,539.56 km) |
| Celbridge to Nelas | 887.98 mi (1,429.07 km) |
| Celbridge to Obidos | 973.79 mi (1,567.16 km) |
| Celbridge to Odemira | 1,093.14 mi (1,759.25 km) |
| Celbridge to Odivelas | 1,012.91 mi (1,630.12 km) |
| Celbridge to Oeiras | 1,021.08 mi (1,643.26 km) |
| Celbridge to Olhao | 1,128.78 mi (1,816.60 km) |
| Celbridge to Oliveira de Azemeis | 868.23 mi (1,397.29 km) |
| Celbridge to Oliveira de Frades | 875.42 mi (1,408.85 km) |
