| Catonsville to Redon | 3,642.41 mi (5,861.90 km) |
| Catonsville to Reims | 3,862.80 mi (6,216.58 km) |
| Catonsville to Rennes | 3,649.01 mi (5,872.51 km) |
| Catonsville to Revel | 3,936.61 mi (6,335.36 km) |
| Catonsville to Reze | 3,676.11 mi (5,916.12 km) |
| Catonsville to Riedisheim | 4,044.73 mi (6,509.36 km) |
| Catonsville to Rillieux-la-Pape | 3,996.10 mi (6,431.10 km) |
| Catonsville to Riom | 3,915.94 mi (6,302.10 km) |
| Catonsville to Riorges | 3,952.27 mi (6,360.57 km) |
| Catonsville to Ris-Orangis | 3,810.92 mi (6,133.08 km) |
| Catonsville to Rive-de-Gier | 3,992.40 mi (6,425.14 km) |
| Catonsville to Rivesaltes | 3,996.71 mi (6,432.09 km) |
| Catonsville to Rixheim | 4,046.29 mi (6,511.88 km) |
| Catonsville to Roanne | 3,953.68 mi (6,362.84 km) |
| Catonsville to Roche-la-Moliere | 3,982.34 mi (6,408.96 km) |
