| Frohburg to Montemor-o-Novo | 1,322.18 mi (2,127.85 km) |
| Frohburg to Montemor-o-Velho | 1,265.10 mi (2,035.98 km) |
| Frohburg to Montijo | 1,345.75 mi (2,165.77 km) |
| Frohburg to Mortagua | 1,235.21 mi (1,987.89 km) |
| Frohburg to Moura | 1,320.99 mi (2,125.92 km) |
| Frohburg to Murtosa | 1,236.50 mi (1,989.96 km) |
| Frohburg to Nazare | 1,306.91 mi (2,103.27 km) |
| Frohburg to Nelas | 1,216.63 mi (1,957.98 km) |
| Frohburg to Obidos | 1,322.11 mi (2,127.73 km) |
| Frohburg to Odemira | 1,392.08 mi (2,240.34 km) |
| Frohburg to Odivelas | 1,350.86 mi (2,173.99 km) |
| Frohburg to Oeiras | 1,361.30 mi (2,190.81 km) |
| Frohburg to Olhao | 1,393.22 mi (2,242.17 km) |
| Frohburg to Oliveira de Azemeis | 1,225.42 mi (1,972.12 km) |
| Frohburg to Oliveira de Frades | 1,219.92 mi (1,963.27 km) |
