| South Bend to Ratingen | 4,175.18 mi (6,719.30 km) |
| South Bend to Ratzeburg | 4,228.10 mi (6,804.47 km) |
| South Bend to Raubling | 4,505.10 mi (7,250.26 km) |
| South Bend to Rauenberg | 4,318.95 mi (6,950.68 km) |
| South Bend to Raunheim | 4,281.42 mi (6,890.28 km) |
| South Bend to Ravensburg | 4,410.27 mi (7,097.65 km) |
| South Bend to Recke | 4,168.95 mi (6,709.28 km) |
| South Bend to Recklinghausen | 4,176.56 mi (6,721.52 km) |
| South Bend to Regen | 4,496.11 mi (7,235.79 km) |
| South Bend to Regensburg | 4,455.28 mi (7,170.08 km) |
| South Bend to Regenstauf | 4,452.71 mi (7,165.95 km) |
| South Bend to Rehau | 4,404.24 mi (7,087.95 km) |
| South Bend to Rehburg-Loccum | 4,219.60 mi (6,790.80 km) |
| South Bend to Rehlingen-Siersburg | 4,238.20 mi (6,820.73 km) |
| South Bend to Reichelsheim | 4,307.28 mi (6,931.90 km) |
