| Alpena to Selargius | 4,488.57 mi (7,223.66 km) |
| Alpena to Selvazzano Dentro | 4,331.36 mi (6,970.65 km) |
| Alpena to Senago | 4,220.51 mi (6,792.25 km) |
| Alpena to Senigallia | 4,458.37 mi (7,175.05 km) |
| Alpena to Seravezza | 4,329.32 mi (6,967.37 km) |
| Alpena to Seregno | 4,220.38 mi (6,792.04 km) |
| Alpena to Seriate | 4,239.07 mi (6,822.13 km) |
| Alpena to Sermoneta | 4,543.90 mi (7,312.71 km) |
| Alpena to Serramanna | 4,471.30 mi (7,195.86 km) |
| Alpena to Serravalle Pistoiese | 4,357.17 mi (7,012.19 km) |
| Alpena to Sessa Aurunca | 4,595.70 mi (7,396.07 km) |
| Alpena to Sesto Calende | 4,194.90 mi (6,751.03 km) |
| Alpena to Sesto Fiorentino | 4,374.41 mi (7,039.94 km) |
| Alpena to Sesto San Giovanni | 4,226.45 mi (6,801.82 km) |
| Alpena to Sestri Levante | 4,284.73 mi (6,895.61 km) |
