| South Portland to Slatina | 4,409.96 mi (7,097.15 km) |
| South Portland to Slobozia | 4,522.16 mi (7,277.72 km) |
| South Portland to Sovata | 4,349.19 mi (6,999.35 km) |
| South Portland to Strehaia | 4,355.71 mi (7,009.84 km) |
| South Portland to Suceava | 4,351.13 mi (7,002.47 km) |
| South Portland to Targoviste | 4,432.62 mi (7,133.61 km) |
| South Portland to Targu Frumos | 4,397.75 mi (7,077.49 km) |
| South Portland to Targu Jiu | 4,342.14 mi (6,988.01 km) |
| South Portland to Targu Lapus | 4,268.39 mi (6,869.31 km) |
| South Portland to Targu Neamt | 4,373.37 mi (7,038.27 km) |
| South Portland to Targu Ocna | 4,421.36 mi (7,115.50 km) |
| South Portland to Targu Secuiesc | 4,414.73 mi (7,104.82 km) |
| South Portland to Targu-Mures | 4,331.53 mi (6,970.93 km) |
| South Portland to Tarnaveni | 4,328.93 mi (6,966.74 km) |
| South Portland to Tasnad | 4,218.26 mi (6,788.64 km) |
