| Sun Prairie to Ramsey (New Jersey) | 786.03 mi (1,264.99 km) |
| Sun Prairie to Rancho Cordova (California) | 1,691.89 mi (2,722.83 km) |
| Sun Prairie to Rancho Cucamonga (California) | 1,641.76 mi (2,642.16 km) |
| Sun Prairie to Rancho Mirage (California) | 1,599.03 mi (2,573.38 km) |
| Sun Prairie to Rancho Palos Verdes (California) | 1,694.05 mi (2,726.31 km) |
| Sun Prairie to Rancho San Diego (California) | 1,660.47 mi (2,672.28 km) |
| Sun Prairie to Rancho Santa Margarita (California) | 1,661.02 mi (2,673.16 km) |
| Sun Prairie to Randallstown (Maryland) | 696.36 mi (1,120.69 km) |
| Sun Prairie to Rantoul (Illinois) | 206.60 mi (332.50 km) |
| Sun Prairie to Rapid City (South Dakota) | 701.23 mi (1,128.52 km) |
| Sun Prairie to Ravenna (Ohio) | 432.31 mi (695.73 km) |
| Sun Prairie to Raymondville (Texas) | 1,250.14 mi (2,011.90 km) |
| Sun Prairie to Raymore (Missouri) | 406.93 mi (654.90 km) |
| Sun Prairie to Raytown (Missouri) | 397.14 mi (639.14 km) |
| Sun Prairie to Reading (Ohio) | 370.19 mi (595.76 km) |
