| Caernarfon to Sprimont | 461.42 mi (742.59 km) |
| Caernarfon to Stabroek | 385.88 mi (621.02 km) |
| Caernarfon to Staden | 343.52 mi (552.84 km) |
| Caernarfon to Steenokkerzeel | 403.15 mi (648.81 km) |
| Caernarfon to Stekene | 376.26 mi (605.53 km) |
| Caernarfon to Strombeek-Bever | 397.22 mi (639.27 km) |
| Caernarfon to Temse | 385.21 mi (619.94 km) |
| Caernarfon to Ternat | 392.06 mi (630.95 km) |
| Caernarfon to Tervuren | 405.95 mi (653.31 km) |
| Caernarfon to Tessenderlo | 421.80 mi (678.82 km) |
| Caernarfon to Theux | 466.08 mi (750.09 km) |
| Caernarfon to Thuin | 413.81 mi (665.96 km) |
| Caernarfon to Tielt | 354.68 mi (570.80 km) |
| Caernarfon to Tienen | 423.41 mi (681.42 km) |
| Caernarfon to Tongeren | 444.89 mi (715.99 km) |
