| Arnhem to Montemor-o-Novo | 1,144.69 mi (1,842.21 km) |
| Arnhem to Montemor-o-Velho | 1,071.24 mi (1,724.00 km) |
| Arnhem to Montijo | 1,162.50 mi (1,870.87 km) |
| Arnhem to Mortagua | 1,042.49 mi (1,677.72 km) |
| Arnhem to Moura | 1,154.14 mi (1,857.40 km) |
| Arnhem to Murtosa | 1,038.05 mi (1,670.58 km) |
| Arnhem to Nazare | 1,114.95 mi (1,794.34 km) |
| Arnhem to Nelas | 1,026.19 mi (1,651.49 km) |
| Arnhem to Obidos | 1,131.45 mi (1,820.89 km) |
| Arnhem to Odemira | 1,219.45 mi (1,962.51 km) |
| Arnhem to Odivelas | 1,164.59 mi (1,874.23 km) |
| Arnhem to Oeiras | 1,174.84 mi (1,890.72 km) |
| Arnhem to Olhao | 1,231.39 mi (1,981.73 km) |
| Arnhem to Oliveira de Azemeis | 1,027.19 mi (1,653.11 km) |
| Arnhem to Oliveira de Frades | 1,025.04 mi (1,649.64 km) |
