| Whittlesey to Montalegre | 823.25 mi (1,324.89 km) |
| Whittlesey to Montemor-o-Novo | 1,035.85 mi (1,667.04 km) |
| Whittlesey to Montemor-o-Velho | 946.77 mi (1,523.68 km) |
| Whittlesey to Montijo | 1,046.33 mi (1,683.90 km) |
| Whittlesey to Mortagua | 920.77 mi (1,481.84 km) |
| Whittlesey to Moura | 1,056.81 mi (1,700.77 km) |
| Whittlesey to Murtosa | 909.67 mi (1,463.97 km) |
| Whittlesey to Nazare | 990.72 mi (1,594.41 km) |
| Whittlesey to Nelas | 908.04 mi (1,461.35 km) |
| Whittlesey to Obidos | 1,008.02 mi (1,622.26 km) |
| Whittlesey to Odemira | 1,112.91 mi (1,791.05 km) |
| Whittlesey to Odivelas | 1,044.87 mi (1,681.55 km) |
| Whittlesey to Oeiras | 1,054.46 mi (1,696.98 km) |
| Whittlesey to Olhao | 1,136.24 mi (1,828.60 km) |
| Whittlesey to Oliveira de Azemeis | 899.63 mi (1,447.82 km) |
