| Gartringen to Montemor-o-Novo | 1,095.18 mi (1,762.52 km) |
| Gartringen to Montemor-o-Velho | 1,043.06 mi (1,678.64 km) |
| Gartringen to Montijo | 1,120.04 mi (1,802.53 km) |
| Gartringen to Mortagua | 1,013.05 mi (1,630.34 km) |
| Gartringen to Moura | 1,091.78 mi (1,757.05 km) |
| Gartringen to Murtosa | 1,016.29 mi (1,635.56 km) |
| Gartringen to Nazare | 1,083.95 mi (1,744.45 km) |
| Gartringen to Nelas | 993.89 mi (1,599.51 km) |
| Gartringen to Obidos | 1,098.64 mi (1,768.09 km) |
| Gartringen to Odemira | 1,163.69 mi (1,872.77 km) |
| Gartringen to Odivelas | 1,125.93 mi (1,812.00 km) |
| Gartringen to Oeiras | 1,136.37 mi (1,828.81 km) |
| Gartringen to Olhao | 1,162.91 mi (1,871.53 km) |
| Gartringen to Oliveira de Azemeis | 1,005.22 mi (1,617.75 km) |
| Gartringen to Oliveira de Frades | 998.61 mi (1,607.10 km) |
