| Rockford to Redon | 4,038.31 mi (6,499.03 km) |
| Rockford to Reims | 4,220.86 mi (6,792.83 km) |
| Rockford to Rennes | 4,038.67 mi (6,499.62 km) |
| Rockford to Revel | 4,359.30 mi (7,015.62 km) |
| Rockford to Reze | 4,075.08 mi (6,558.22 km) |
| Rockford to Riedisheim | 4,405.80 mi (7,090.45 km) |
| Rockford to Rillieux-la-Pape | 4,385.42 mi (7,057.65 km) |
| Rockford to Riom | 4,311.32 mi (6,938.40 km) |
| Rockford to Riorges | 4,342.72 mi (6,988.93 km) |
| Rockford to Ris-Orangis | 4,181.02 mi (6,728.70 km) |
| Rockford to Rive-de-Gier | 4,385.60 mi (7,057.94 km) |
| Rockford to Rivesaltes | 4,422.38 mi (7,117.14 km) |
| Rockford to Rixheim | 4,407.22 mi (7,092.73 km) |
| Rockford to Roanne | 4,344.08 mi (6,991.12 km) |
| Rockford to Roche-la-Moliere | 4,377.58 mi (7,045.04 km) |
