| South Portland to Stupava | 3,971.92 mi (6,392.19 km) |
| South Portland to Sturovo | 4,055.50 mi (6,526.70 km) |
| South Portland to Surany | 4,024.09 mi (6,476.14 km) |
| South Portland to Svidnik | 4,109.53 mi (6,613.65 km) |
| South Portland to Topol'cany | 4,006.84 mi (6,448.38 km) |
| South Portland to Trebisov | 4,140.77 mi (6,663.93 km) |
| South Portland to Trencin | 3,989.25 mi (6,420.08 km) |
| South Portland to Trnava | 3,990.15 mi (6,421.52 km) |
| South Portland to Tvrdosin | 4,031.86 mi (6,488.65 km) |
| South Portland to Vel'ke Kapusany | 4,157.74 mi (6,691.24 km) |
| South Portland to Vel'ky Krtis | 4,064.47 mi (6,541.13 km) |
| South Portland to Vel'ky Meder | 4,016.09 mi (6,463.27 km) |
| South Portland to Vrable | 4,023.32 mi (6,474.90 km) |
| South Portland to Vranov nad Topl'ou | 4,129.52 mi (6,645.83 km) |
| South Portland to Ziar nad Hronom | 4,032.38 mi (6,489.49 km) |
