| Covington to Sesimbra | 3,937.84 mi (6,337.34 km) |
| Covington to Setubal | 3,945.41 mi (6,349.52 km) |
| Covington to Sever do Vouga | 3,904.16 mi (6,283.15 km) |
| Covington to Silves | 4,009.18 mi (6,452.15 km) |
| Covington to Sines | 3,964.34 mi (6,379.99 km) |
| Covington to Sintra | 3,913.03 mi (6,297.41 km) |
| Covington to Sobrado de Paiva | 3,900.07 mi (6,276.55 km) |
| Covington to Sobral de Monte Agraco | 3,917.83 mi (6,305.14 km) |
| Covington to Soure | 3,911.75 mi (6,295.35 km) |
| Covington to Tabua | 3,931.24 mi (6,326.72 km) |
| Covington to Tavira | 4,049.97 mi (6,517.79 km) |
| Covington to Tomar | 3,935.60 mi (6,333.74 km) |
| Covington to Tondela | 3,924.01 mi (6,315.08 km) |
| Covington to Torre de Moncorvo | 3,948.47 mi (6,354.44 km) |
| Covington to Torres Novas | 3,934.04 mi (6,331.22 km) |
