| Oldham to Montalegre | 851.12 mi (1,369.74 km) |
| Oldham to Montemor-o-Novo | 1,068.82 mi (1,720.10 km) |
| Oldham to Montemor-o-Velho | 973.97 mi (1,567.45 km) |
| Oldham to Montijo | 1,075.78 mi (1,731.29 km) |
| Oldham to Mortagua | 949.78 mi (1,528.52 km) |
| Oldham to Moura | 1,094.54 mi (1,761.49 km) |
| Oldham to Murtosa | 935.68 mi (1,505.83 km) |
| Oldham to Nazare | 1,017.26 mi (1,637.12 km) |
| Oldham to Nelas | 938.98 mi (1,511.15 km) |
| Oldham to Obidos | 1,034.66 mi (1,665.13 km) |
| Oldham to Odemira | 1,145.79 mi (1,843.96 km) |
| Oldham to Odivelas | 1,072.68 mi (1,726.31 km) |
| Oldham to Oeiras | 1,081.81 mi (1,741.01 km) |
| Oldham to Olhao | 1,173.80 mi (1,889.04 km) |
| Oldham to Oliveira de Azemeis | 926.25 mi (1,490.65 km) |
