| Dieppe to Montemor-o-Novo | 902.74 mi (1,452.81 km) |
| Dieppe to Montemor-o-Velho | 823.91 mi (1,325.96 km) |
| Dieppe to Montijo | 918.14 mi (1,477.61 km) |
| Dieppe to Mortagua | 795.78 mi (1,280.69 km) |
| Dieppe to Moura | 916.63 mi (1,475.18 km) |
| Dieppe to Murtosa | 789.50 mi (1,270.58 km) |
| Dieppe to Nazare | 867.91 mi (1,396.76 km) |
| Dieppe to Nelas | 780.45 mi (1,256.01 km) |
| Dieppe to Obidos | 884.72 mi (1,423.81 km) |
| Dieppe to Odemira | 978.72 mi (1,575.09 km) |
| Dieppe to Odivelas | 919.12 mi (1,479.18 km) |
| Dieppe to Oeiras | 929.21 mi (1,495.42 km) |
| Dieppe to Olhao | 995.21 mi (1,601.64 km) |
| Dieppe to Oliveira de Azemeis | 778.80 mi (1,253.36 km) |
| Dieppe to Oliveira de Frades | 777.75 mi (1,251.67 km) |
