| Oirschot to Montemor-o-Novo | 1,102.21 mi (1,773.84 km) |
| Oirschot to Montemor-o-Velho | 1,029.07 mi (1,656.12 km) |
| Oirschot to Montijo | 1,120.12 mi (1,802.65 km) |
| Oirschot to Mortagua | 1,000.27 mi (1,609.77 km) |
| Oirschot to Moura | 1,111.58 mi (1,788.92 km) |
| Oirschot to Murtosa | 996.00 mi (1,602.91 km) |
| Oirschot to Nazare | 1,072.74 mi (1,726.42 km) |
| Oirschot to Nelas | 983.90 mi (1,583.43 km) |
| Oirschot to Obidos | 1,089.22 mi (1,752.92 km) |
| Oirschot to Odemira | 1,176.93 mi (1,894.09 km) |
| Oirschot to Odivelas | 1,122.27 mi (1,806.12 km) |
| Oirschot to Oeiras | 1,132.52 mi (1,822.61 km) |
| Oirschot to Olhao | 1,188.83 mi (1,913.24 km) |
| Oirschot to Oliveira de Azemeis | 985.13 mi (1,585.41 km) |
| Oirschot to Oliveira de Frades | 982.87 mi (1,581.78 km) |
