| Caerphilly to Tutzing | 693.78 mi (1,116.52 km) |
| Caerphilly to Twist | 440.61 mi (709.09 km) |
| Caerphilly to Twistringen | 509.14 mi (819.38 km) |
| Caerphilly to Ubach-Palenberg | 406.10 mi (653.55 km) |
| Caerphilly to Uberherrn | 464.90 mi (748.19 km) |
| Caerphilly to Uberlingen | 612.08 mi (985.06 km) |
| Caerphilly to Ubstadt-Weiher | 547.14 mi (880.54 km) |
| Caerphilly to Ueckermunde | 736.75 mi (1,185.68 km) |
| Caerphilly to Uelzen | 589.65 mi (948.94 km) |
| Caerphilly to Uetersen | 558.84 mi (899.37 km) |
| Caerphilly to Uetze | 573.11 mi (922.33 km) |
| Caerphilly to Uhingen | 599.99 mi (965.60 km) |
| Caerphilly to Ulm | 625.11 mi (1,006.02 km) |
| Caerphilly to Unna | 468.12 mi (753.36 km) |
| Caerphilly to Unterfohring | 700.65 mi (1,127.59 km) |
