| Sun Prairie to Rosemead (California) | 1,669.08 mi (2,686.13 km) |
| Sun Prairie to Rosemont (California) | 1,697.70 mi (2,732.19 km) |
| Sun Prairie to Rosemount (Minnesota) | 218.95 mi (352.37 km) |
| Sun Prairie to Rosenberg (Texas) | 1,010.11 mi (1,625.62 km) |
| Sun Prairie to Roseville (California) | 1,690.40 mi (2,720.44 km) |
| Sun Prairie to Roseville (Michigan) | 322.43 mi (518.90 km) |
| Sun Prairie to Roseville (Minnesota) | 231.99 mi (373.35 km) |
| Sun Prairie to Rossmoor (California) | 1,678.95 mi (2,702.01 km) |
| Sun Prairie to Rossville (Maryland) | 712.45 mi (1,146.58 km) |
| Sun Prairie to Roswell (Georgia) | 684.26 mi (1,101.21 km) |
| Sun Prairie to Roswell (New Mexico) | 1,068.19 mi (1,719.09 km) |
| Sun Prairie to Round Lake (Illinois) | 81.53 mi (131.21 km) |
| Sun Prairie to Round Lake Beach (Illinois) | 80.70 mi (129.87 km) |
| Sun Prairie to Round Rock (Texas) | 989.54 mi (1,592.50 km) |
| Sun Prairie to Rowland Heights (California) | 1,663.13 mi (2,676.56 km) |
