| Willimantic to Sereflikochisar | 5,174.43 mi (8,327.44 km) |
| Willimantic to Serik | 5,167.72 mi (8,316.64 km) |
| Willimantic to Serinhisar | 5,061.48 mi (8,145.67 km) |
| Willimantic to Serinyol | 5,402.10 mi (8,693.84 km) |
| Willimantic to Seydisehir | 5,175.90 mi (8,329.81 km) |
| Willimantic to Seyhan | 5,337.92 mi (8,590.55 km) |
| Willimantic to Seyitgazi | 5,036.84 mi (8,106.02 km) |
| Willimantic to Siirt | 5,549.98 mi (8,931.83 km) |
| Willimantic to Sile | 4,916.39 mi (7,912.17 km) |
| Willimantic to Silifke | 5,309.55 mi (8,544.90 km) |
| Willimantic to Silivri | 4,865.78 mi (7,830.71 km) |
| Willimantic to Silopi | 5,603.64 mi (9,018.19 km) |
| Willimantic to Simav | 4,982.92 mi (8,019.23 km) |
| Willimantic to Sinanpasa | 5,049.87 mi (8,126.98 km) |
| Willimantic to Sindirgi | 4,942.62 mi (7,954.37 km) |
