| Horten to Montemor-o-Novo | 1,652.39 mi (2,659.27 km) |
| Horten to Montemor-o-Velho | 1,567.49 mi (2,522.64 km) |
| Horten to Montijo | 1,665.29 mi (2,680.03 km) |
| Horten to Mortagua | 1,540.66 mi (2,479.45 km) |
| Horten to Moura | 1,668.99 mi (2,685.98 km) |
| Horten to Murtosa | 1,531.12 mi (2,464.10 km) |
| Horten to Nazare | 1,611.58 mi (2,593.60 km) |
| Horten to Nelas | 1,526.85 mi (2,457.23 km) |
| Horten to Obidos | 1,628.77 mi (2,621.25 km) |
| Horten to Odemira | 1,729.03 mi (2,782.60 km) |
| Horten to Odivelas | 1,664.83 mi (2,679.28 km) |
| Horten to Oeiras | 1,674.63 mi (2,695.06 km) |
| Horten to Olhao | 1,747.92 mi (2,813.00 km) |
| Horten to Oliveira de Azemeis | 1,520.85 mi (2,447.58 km) |
| Horten to Oliveira de Frades | 1,521.86 mi (2,449.19 km) |
