| Caerphilly to Sprimont | 392.86 mi (632.24 km) |
| Caerphilly to Stabroek | 326.84 mi (525.99 km) |
| Caerphilly to Staden | 272.51 mi (438.56 km) |
| Caerphilly to Steenokkerzeel | 337.08 mi (542.47 km) |
| Caerphilly to Stekene | 313.61 mi (504.70 km) |
| Caerphilly to Strombeek-Bever | 330.42 mi (531.76 km) |
| Caerphilly to Temse | 321.57 mi (517.52 km) |
| Caerphilly to Ternat | 323.88 mi (521.24 km) |
| Caerphilly to Tervuren | 338.11 mi (544.14 km) |
| Caerphilly to Tessenderlo | 360.22 mi (579.73 km) |
| Caerphilly to Theux | 398.52 mi (641.35 km) |
| Caerphilly to Thuin | 337.45 mi (543.07 km) |
| Caerphilly to Tielt | 285.48 mi (459.44 km) |
| Caerphilly to Tienen | 356.86 mi (574.32 km) |
| Caerphilly to Tongeren | 379.81 mi (611.24 km) |
