| Letterkenny to Rochefort | 689.48 mi (1,109.60 km) |
| Letterkenny to Rodez | 863.49 mi (1,389.66 km) |
| Letterkenny to Rognac | 981.32 mi (1,579.28 km) |
| Letterkenny to Roissy-en-Brie | 613.05 mi (986.61 km) |
| Letterkenny to Romainville | 601.65 mi (968.27 km) |
| Letterkenny to Romans-sur-Isere | 886.33 mi (1,426.41 km) |
| Letterkenny to Rombas | 704.65 mi (1,134.02 km) |
| Letterkenny to Romilly-sur-Seine | 660.29 mi (1,062.63 km) |
| Letterkenny to Ronchin | 541.71 mi (871.80 km) |
| Letterkenny to Roncq | 536.59 mi (863.56 km) |
| Letterkenny to Roquebrune-sur-Argens | 1,022.07 mi (1,644.86 km) |
| Letterkenny to Roquevaire | 999.30 mi (1,608.22 km) |
| Letterkenny to Rosny-sous-Bois | 604.01 mi (972.06 km) |
| Letterkenny to Roubaix | 541.38 mi (871.26 km) |
| Letterkenny to Rouen | 532.43 mi (856.86 km) |
