| South Portland to Sprimont | 3,447.62 mi (5,548.41 km) |
| South Portland to Stabroek | 3,373.18 mi (5,428.60 km) |
| South Portland to Staden | 3,327.91 mi (5,355.76 km) |
| South Portland to Steenokkerzeel | 3,389.67 mi (5,455.15 km) |
| South Portland to Stekene | 3,363.25 mi (5,412.62 km) |
| South Portland to Strombeek-Bever | 3,383.53 mi (5,445.26 km) |
| South Portland to Temse | 3,372.10 mi (5,426.87 km) |
| South Portland to Ternat | 3,377.94 mi (5,436.26 km) |
| South Portland to Tervuren | 3,392.03 mi (5,458.94 km) |
| South Portland to Tessenderlo | 3,409.05 mi (5,486.33 km) |
| South Portland to Theux | 3,452.58 mi (5,556.38 km) |
| South Portland to Thuin | 3,396.08 mi (5,465.47 km) |
| South Portland to Tielt | 3,339.89 mi (5,375.03 km) |
| South Portland to Tienen | 3,409.94 mi (5,487.77 km) |
| South Portland to Tongeren | 3,431.81 mi (5,522.97 km) |
