| Caernarfon to Redon | 391.20 mi (629.58 km) |
| Caernarfon to Reims | 447.90 mi (720.82 km) |
| Caernarfon to Rennes | 365.25 mi (587.81 km) |
| Caernarfon to Revel | 727.75 mi (1,171.21 km) |
| Caernarfon to Reze | 427.93 mi (688.69 km) |
| Caernarfon to Riedisheim | 631.96 mi (1,017.04 km) |
| Caernarfon to Rillieux-la-Pape | 650.92 mi (1,047.56 km) |
| Caernarfon to Riom | 599.59 mi (964.95 km) |
| Caernarfon to Riorges | 614.78 mi (989.40 km) |
| Caernarfon to Ris-Orangis | 425.07 mi (684.08 km) |
| Caernarfon to Rive-de-Gier | 659.72 mi (1,061.72 km) |
| Caernarfon to Rivesaltes | 788.21 mi (1,268.50 km) |
| Caernarfon to Rixheim | 633.27 mi (1,019.16 km) |
| Caernarfon to Roanne | 615.89 mi (991.18 km) |
| Caernarfon to Roche-la-Moliere | 657.41 mi (1,057.99 km) |
