| Covington to Arcos de Valdevez | 3,869.30 mi (6,227.04 km) |
| Covington to Arcozelo | 3,881.82 mi (6,247.18 km) |
| Covington to Arganil | 3,934.32 mi (6,331.67 km) |
| Covington to Arouca | 3,904.02 mi (6,282.91 km) |
| Covington to Arruda dos Vinhos | 3,923.00 mi (6,313.46 km) |
| Covington to Aveiro | 3,893.68 mi (6,266.28 km) |
| Covington to Aver-o-Mar | 3,865.61 mi (6,221.10 km) |
| Covington to Aves | 3,886.63 mi (6,254.92 km) |
| Covington to Azambuja | 3,930.12 mi (6,324.91 km) |
| Covington to Baiao | 3,907.15 mi (6,287.96 km) |
| Covington to Barcelos | 3,869.52 mi (6,227.39 km) |
| Covington to Barreiro | 3,932.62 mi (6,328.94 km) |
| Covington to Batalha | 3,915.73 mi (6,301.76 km) |
| Covington to Beja | 4,009.55 mi (6,452.75 km) |
| Covington to Belas | 3,919.40 mi (6,307.66 km) |
