| South Portland to Saalfelden am Steinernen Meer | 3,833.55 mi (6,169.50 km) |
| South Portland to Salzburg | 3,828.96 mi (6,162.11 km) |
| South Portland to Sankt Andra | 3,936.54 mi (6,335.24 km) |
| South Portland to Sankt Johann im Pongau | 3,850.49 mi (6,196.76 km) |
| South Portland to Sankt Johann in Tirol | 3,813.09 mi (6,136.58 km) |
| South Portland to Sankt Polten | 3,918.51 mi (6,306.24 km) |
| South Portland to Sankt Valentin | 3,876.17 mi (6,238.09 km) |
| South Portland to Sankt Veit an der Glan | 3,917.94 mi (6,305.31 km) |
| South Portland to Schwaz | 3,789.16 mi (6,098.06 km) |
| South Portland to Schwechat | 3,954.80 mi (6,364.63 km) |
| South Portland to Sierning | 3,871.67 mi (6,230.85 km) |
| South Portland to Spittal an der Drau | 3,881.72 mi (6,247.02 km) |
| South Portland to Stainz | 3,950.20 mi (6,357.23 km) |
| South Portland to Steyr | 3,876.34 mi (6,238.37 km) |
| South Portland to Stockerau | 3,935.58 mi (6,333.71 km) |
