| Sint-Lievens-Houtem to Montemor-o-Novo | 1,031.27 mi (1,659.67 km) |
| Sint-Lievens-Houtem to Montemor-o-Velho | 956.72 mi (1,539.69 km) |
| Sint-Lievens-Houtem to Montijo | 1,048.56 mi (1,687.50 km) |
| Sint-Lievens-Houtem to Mortagua | 928.06 mi (1,493.57 km) |
| Sint-Lievens-Houtem to Moura | 1,041.80 mi (1,676.61 km) |
| Sint-Lievens-Houtem to Murtosa | 923.34 mi (1,485.97 km) |
| Sint-Lievens-Houtem to Nazare | 1,000.49 mi (1,610.13 km) |
| Sint-Lievens-Houtem to Nelas | 911.92 mi (1,467.60 km) |
| Sint-Lievens-Houtem to Obidos | 1,017.04 mi (1,636.77 km) |
| Sint-Lievens-Houtem to Odemira | 1,106.35 mi (1,780.50 km) |
| Sint-Lievens-Houtem to Odivelas | 1,050.43 mi (1,690.51 km) |
| Sint-Lievens-Houtem to Oeiras | 1,060.65 mi (1,706.95 km) |
| Sint-Lievens-Houtem to Olhao | 1,119.45 mi (1,801.58 km) |
| Sint-Lievens-Houtem to Oliveira de Azemeis | 912.50 mi (1,468.52 km) |
| Sint-Lievens-Houtem to Oliveira de Frades | 910.51 mi (1,465.32 km) |
