| Idstein to Sprimont | 116.54 mi (187.55 km) |
| Idstein to Stabroek | 187.20 mi (301.27 km) |
| Idstein to Staden | 236.43 mi (380.50 km) |
| Idstein to Steenokkerzeel | 172.14 mi (277.03 km) |
| Idstein to Stekene | 197.47 mi (317.80 km) |
| Idstein to Strombeek-Bever | 178.67 mi (287.54 km) |
| Idstein to Temse | 188.82 mi (303.88 km) |
| Idstein to Ternat | 185.06 mi (297.83 km) |
| Idstein to Tervuren | 170.82 mi (274.91 km) |
| Idstein to Tessenderlo | 151.34 mi (243.56 km) |
| Idstein to Theux | 110.58 mi (177.96 km) |
| Idstein to Thuin | 176.37 mi (283.84 km) |
| Idstein to Tielt | 223.49 mi (359.67 km) |
| Idstein to Tienen | 152.14 mi (244.85 km) |
| Idstein to Tongeren | 129.43 mi (208.29 km) |
