| Katy to Montalegre | 4,788.56 mi (7,706.45 km) |
| Katy to Montemor-o-Novo | 4,851.51 mi (7,807.75 km) |
| Katy to Montemor-o-Velho | 4,788.43 mi (7,706.23 km) |
| Katy to Montijo | 4,816.61 mi (7,751.58 km) |
| Katy to Mortagua | 4,803.44 mi (7,730.38 km) |
| Katy to Moura | 4,903.71 mi (7,891.77 km) |
| Katy to Murtosa | 4,776.19 mi (7,686.54 km) |
| Katy to Nazare | 4,784.32 mi (7,699.61 km) |
| Katy to Nelas | 4,819.88 mi (7,756.85 km) |
| Katy to Obidos | 4,786.10 mi (7,702.49 km) |
| Katy to Odemira | 4,859.36 mi (7,820.38 km) |
| Katy to Odivelas | 4,799.85 mi (7,724.62 km) |
| Katy to Oeiras | 4,795.83 mi (7,718.13 km) |
| Katy to Olhao | 4,914.58 mi (7,909.25 km) |
| Katy to Oliveira de Azemeis | 4,781.12 mi (7,694.47 km) |
