| Steenbergen to Montemor-o-Novo | 1,077.46 mi (1,734.01 km) |
| Steenbergen to Montemor-o-Velho | 1,001.53 mi (1,611.81 km) |
| Steenbergen to Montijo | 1,094.23 mi (1,760.99 km) |
| Steenbergen to Mortagua | 973.06 mi (1,565.99 km) |
| Steenbergen to Moura | 1,088.76 mi (1,752.19 km) |
| Steenbergen to Murtosa | 967.72 mi (1,557.40 km) |
| Steenbergen to Nazare | 1,045.40 mi (1,682.41 km) |
| Steenbergen to Nelas | 957.20 mi (1,540.47 km) |
| Steenbergen to Obidos | 1,062.06 mi (1,709.22 km) |
| Steenbergen to Odemira | 1,152.79 mi (1,855.24 km) |
| Steenbergen to Odivelas | 1,095.81 mi (1,763.54 km) |
| Steenbergen to Oeiras | 1,105.99 mi (1,779.92 km) |
| Steenbergen to Olhao | 1,166.61 mi (1,877.48 km) |
| Steenbergen to Oliveira de Azemeis | 956.94 mi (1,540.04 km) |
| Steenbergen to Oliveira de Frades | 955.33 mi (1,537.45 km) |
