| Douglasville to Montalegre | 4,096.64 mi (6,592.90 km) |
| Douglasville to Montemor-o-Novo | 4,151.92 mi (6,681.86 km) |
| Douglasville to Montemor-o-Velho | 4,091.73 mi (6,585.00 km) |
| Douglasville to Montijo | 4,116.67 mi (6,625.14 km) |
| Douglasville to Mortagua | 4,107.66 mi (6,610.64 km) |
| Douglasville to Moura | 4,203.61 mi (6,765.06 km) |
| Douglasville to Murtosa | 4,080.86 mi (6,567.50 km) |
| Douglasville to Nazare | 4,086.12 mi (6,575.98 km) |
| Douglasville to Nelas | 4,124.57 mi (6,637.86 km) |
| Douglasville to Obidos | 4,087.35 mi (6,577.95 km) |
| Douglasville to Odemira | 4,157.61 mi (6,691.03 km) |
| Douglasville to Odivelas | 4,099.96 mi (6,598.24 km) |
| Douglasville to Oeiras | 4,095.65 mi (6,591.30 km) |
| Douglasville to Olhao | 4,212.35 mi (6,779.12 km) |
| Douglasville to Oliveira de Azemeis | 4,086.15 mi (6,576.03 km) |
