| Allentown to Selargius | 4,296.15 mi (6,913.98 km) |
| Allentown to Selvazzano Dentro | 4,197.05 mi (6,754.50 km) |
| Allentown to Senago | 4,077.97 mi (6,562.87 km) |
| Allentown to Senigallia | 4,316.36 mi (6,946.51 km) |
| Allentown to Seravezza | 4,177.98 mi (6,723.81 km) |
| Allentown to Seregno | 4,078.64 mi (6,563.94 km) |
| Allentown to Seriate | 4,099.53 mi (6,597.55 km) |
| Allentown to Sermoneta | 4,384.36 mi (7,055.95 km) |
| Allentown to Serramanna | 4,279.18 mi (6,886.67 km) |
| Allentown to Serravalle Pistoiese | 4,207.33 mi (6,771.05 km) |
| Allentown to Sessa Aurunca | 4,437.69 mi (7,141.77 km) |
| Allentown to Sesto Calende | 4,051.79 mi (6,520.72 km) |
| Allentown to Sesto Fiorentino | 4,225.46 mi (6,800.22 km) |
| Allentown to Sesto San Giovanni | 4,083.87 mi (6,572.35 km) |
| Allentown to Sestri Levante | 4,132.41 mi (6,650.47 km) |
