| Owings Mills to Sesimbra | 3,548.58 mi (5,710.89 km) |
| Owings Mills to Setubal | 3,556.58 mi (5,723.76 km) |
| Owings Mills to Sever do Vouga | 3,522.48 mi (5,668.89 km) |
| Owings Mills to Silves | 3,617.24 mi (5,821.38 km) |
| Owings Mills to Sines | 3,573.99 mi (5,751.78 km) |
| Owings Mills to Sintra | 3,524.47 mi (5,672.09 km) |
| Owings Mills to Sobrado de Paiva | 3,519.46 mi (5,664.02 km) |
| Owings Mills to Sobral de Monte Agraco | 3,530.14 mi (5,681.20 km) |
| Owings Mills to Soure | 3,527.65 mi (5,677.20 km) |
| Owings Mills to Tabua | 3,548.74 mi (5,711.14 km) |
| Owings Mills to Tavira | 3,658.64 mi (5,888.02 km) |
| Owings Mills to Tomar | 3,550.37 mi (5,713.77 km) |
| Owings Mills to Tondela | 3,541.94 mi (5,700.20 km) |
| Owings Mills to Torre de Moncorvo | 3,569.63 mi (5,744.77 km) |
| Owings Mills to Torres Novas | 3,548.29 mi (5,710.42 km) |
