| Sun Prairie to Rowlett (Texas) | 812.56 mi (1,307.68 km) |
| Sun Prairie to Roy (Utah) | 1,172.61 mi (1,887.14 km) |
| Sun Prairie to Royal Kunia (Hawaii) | 4,167.04 mi (6,706.21 km) |
| Sun Prairie to Royal Oak (Michigan) | 311.55 mi (501.39 km) |
| Sun Prairie to Royal Palm Beach (Florida) | 1,245.89 mi (2,005.07 km) |
| Sun Prairie to Royse City (Texas) | 802.76 mi (1,291.92 km) |
| Sun Prairie to Ruskin (Florida) | 1,135.00 mi (1,826.60 km) |
| Sun Prairie to Russellville (Alabama) | 604.96 mi (973.59 km) |
| Sun Prairie to Russellville (Arkansas) | 584.65 mi (940.90 km) |
| Sun Prairie to Ruston (Louisiana) | 758.65 mi (1,220.94 km) |
| Sun Prairie to Rutherford (New Jersey) | 792.66 mi (1,275.66 km) |
| Sun Prairie to Rutland (Vermont) | 815.45 mi (1,312.35 km) |
| Sun Prairie to Sabana Grande (Puerto Rico) | 2,167.16 mi (3,487.71 km) |
| Sun Prairie to Sachse (Texas) | 809.85 mi (1,303.33 km) |
| Sun Prairie to Saco (Maine) | 941.40 mi (1,515.04 km) |
