| Catonsville to Rochefort | 3,734.65 mi (6,010.33 km) |
| Catonsville to Rodez | 3,936.36 mi (6,334.95 km) |
| Catonsville to Rognac | 4,081.36 mi (6,568.31 km) |
| Catonsville to Roissy-en-Brie | 3,817.31 mi (6,143.37 km) |
| Catonsville to Romainville | 3,805.75 mi (6,124.76 km) |
| Catonsville to Romans-sur-Isere | 4,025.83 mi (6,478.94 km) |
| Catonsville to Rombas | 3,948.51 mi (6,354.51 km) |
| Catonsville to Romilly-sur-Seine | 3,869.90 mi (6,228.01 km) |
| Catonsville to Ronchin | 3,789.09 mi (6,097.95 km) |
| Catonsville to Roncq | 3,786.70 mi (6,094.10 km) |
| Catonsville to Roquebrune-sur-Argens | 4,145.55 mi (6,671.62 km) |
| Catonsville to Roquevaire | 4,102.36 mi (6,602.10 km) |
| Catonsville to Rosny-sous-Bois | 3,808.23 mi (6,128.76 km) |
| Catonsville to Roubaix | 3,790.79 mi (6,100.68 km) |
| Catonsville to Rouen | 3,735.03 mi (6,010.95 km) |
