| Willimantic to Selargius | 4,109.94 mi (6,614.31 km) |
| Willimantic to Selvazzano Dentro | 4,013.88 mi (6,459.71 km) |
| Willimantic to Senago | 3,894.30 mi (6,267.27 km) |
| Willimantic to Senigallia | 4,132.55 mi (6,650.70 km) |
| Willimantic to Seravezza | 3,993.66 mi (6,427.18 km) |
| Willimantic to Seregno | 3,895.03 mi (6,268.44 km) |
| Willimantic to Seriate | 3,916.05 mi (6,302.27 km) |
| Willimantic to Sermoneta | 4,199.45 mi (6,758.37 km) |
| Willimantic to Serramanna | 4,092.98 mi (6,587.01 km) |
| Willimantic to Serravalle Pistoiese | 4,023.09 mi (6,474.53 km) |
| Willimantic to Sessa Aurunca | 4,252.83 mi (6,844.27 km) |
| Willimantic to Sesto Calende | 3,868.10 mi (6,225.10 km) |
| Willimantic to Sesto Fiorentino | 4,041.26 mi (6,503.78 km) |
| Willimantic to Sesto San Giovanni | 3,900.19 mi (6,276.75 km) |
| Willimantic to Sestri Levante | 3,948.06 mi (6,353.78 km) |
