| Covington to Montalegre | 3,899.31 mi (6,275.34 km) |
| Covington to Montemor-o-Novo | 3,974.22 mi (6,395.90 km) |
| Covington to Montemor-o-Velho | 3,905.89 mi (6,285.92 km) |
| Covington to Montijo | 3,940.18 mi (6,341.11 km) |
| Covington to Mortagua | 3,919.37 mi (6,307.62 km) |
| Covington to Moura | 4,027.39 mi (6,481.46 km) |
| Covington to Murtosa | 3,891.54 mi (6,262.82 km) |
| Covington to Nazare | 3,904.44 mi (6,283.59 km) |
| Covington to Nelas | 3,935.06 mi (6,332.87 km) |
| Covington to Obidos | 3,907.31 mi (6,288.20 km) |
| Covington to Odemira | 3,987.19 mi (6,416.76 km) |
| Covington to Odivelas | 3,923.39 mi (6,314.09 km) |
| Covington to Oeiras | 3,920.01 mi (6,308.65 km) |
| Covington to Olhao | 4,043.54 mi (6,507.45 km) |
| Covington to Oliveira de Azemeis | 3,895.90 mi (6,269.84 km) |
