| IJsselstein to Montemor-o-Novo | 1,121.84 mi (1,805.42 km) |
| IJsselstein to Montemor-o-Velho | 1,046.29 mi (1,683.85 km) |
| IJsselstein to Montijo | 1,138.79 mi (1,832.71 km) |
| IJsselstein to Mortagua | 1,017.79 mi (1,637.97 km) |
| IJsselstein to Moura | 1,132.74 mi (1,822.97 km) |
| IJsselstein to Murtosa | 1,012.55 mi (1,629.54 km) |
| IJsselstein to Nazare | 1,090.15 mi (1,754.42 km) |
| IJsselstein to Nelas | 1,001.87 mi (1,612.35 km) |
| IJsselstein to Obidos | 1,106.78 mi (1,781.19 km) |
| IJsselstein to Odemira | 1,197.06 mi (1,926.48 km) |
| IJsselstein to Odivelas | 1,140.45 mi (1,835.38 km) |
| IJsselstein to Oeiras | 1,150.64 mi (1,851.78 km) |
| IJsselstein to Olhao | 1,210.46 mi (1,948.04 km) |
| IJsselstein to Oliveira de Azemeis | 1,001.76 mi (1,612.17 km) |
| IJsselstein to Oliveira de Frades | 1,000.09 mi (1,609.48 km) |
