| Round Rock to Redon | 4,933.16 mi (7,939.15 km) |
| Round Rock to Reims | 5,132.43 mi (8,259.86 km) |
| Round Rock to Rennes | 4,936.46 mi (7,944.47 km) |
| Round Rock to Revel | 5,241.10 mi (8,434.73 km) |
| Round Rock to Reze | 4,968.57 mi (7,996.13 km) |
| Round Rock to Riedisheim | 5,316.85 mi (8,556.65 km) |
| Round Rock to Rillieux-la-Pape | 5,284.54 mi (8,504.65 km) |
| Round Rock to Riom | 5,207.35 mi (8,380.41 km) |
| Round Rock to Riorges | 5,241.18 mi (8,434.86 km) |
| Round Rock to Ris-Orangis | 5,087.79 mi (8,188.00 km) |
| Round Rock to Rive-de-Gier | 5,282.90 mi (8,502.01 km) |
| Round Rock to Rivesaltes | 5,302.64 mi (8,533.78 km) |
| Round Rock to Rixheim | 5,318.33 mi (8,559.03 km) |
| Round Rock to Roanne | 5,242.57 mi (8,437.10 km) |
| Round Rock to Roche-la-Moliere | 5,273.88 mi (8,487.50 km) |
