| Letterkenny to Redon | 559.95 mi (901.15 km) |
| Letterkenny to Reims | 633.89 mi (1,020.14 km) |
| Letterkenny to Rennes | 538.87 mi (867.22 km) |
| Letterkenny to Revel | 905.70 mi (1,457.58 km) |
| Letterkenny to Reze | 598.74 mi (963.57 km) |
| Letterkenny to Riedisheim | 816.83 mi (1,314.55 km) |
| Letterkenny to Rillieux-la-Pape | 838.52 mi (1,349.47 km) |
| Letterkenny to Riom | 785.20 mi (1,263.65 km) |
| Letterkenny to Riorges | 801.87 mi (1,290.49 km) |
| Letterkenny to Ris-Orangis | 613.01 mi (986.54 km) |
| Letterkenny to Rive-de-Gier | 846.87 mi (1,362.91 km) |
| Letterkenny to Rivesaltes | 967.63 mi (1,557.25 km) |
| Letterkenny to Rixheim | 818.08 mi (1,316.58 km) |
| Letterkenny to Roanne | 803.00 mi (1,292.31 km) |
| Letterkenny to Roche-la-Moliere | 844.16 mi (1,358.54 km) |
