| Castle Rock to Rochefort | 4,900.34 mi (7,886.34 km) |
| Castle Rock to Rodez | 5,103.48 mi (8,213.25 km) |
| Castle Rock to Rognac | 5,242.61 mi (8,437.16 km) |
| Castle Rock to Roissy-en-Brie | 4,911.82 mi (7,904.81 km) |
| Castle Rock to Romainville | 4,900.09 mi (7,885.93 km) |
| Castle Rock to Romans-sur-Isere | 5,164.79 mi (8,311.93 km) |
| Castle Rock to Rombas | 5,011.36 mi (8,065.00 km) |
| Castle Rock to Romilly-sur-Seine | 4,961.84 mi (7,985.32 km) |
| Castle Rock to Ronchin | 4,848.66 mi (7,803.16 km) |
| Castle Rock to Roncq | 4,843.36 mi (7,794.63 km) |
| Castle Rock to Roquebrune-sur-Argens | 5,297.10 mi (8,524.86 km) |
| Castle Rock to Roquevaire | 5,262.93 mi (8,469.87 km) |
| Castle Rock to Rosny-sous-Bois | 4,902.55 mi (7,889.89 km) |
| Castle Rock to Roubaix | 4,848.19 mi (7,802.42 km) |
| Castle Rock to Rouen | 4,828.40 mi (7,770.56 km) |
