| Sun Prairie to Hutchinson (Kansas) | 575.43 mi (926.07 km) |
| Sun Prairie to Hutchinson (Minnesota) | 281.09 mi (452.36 km) |
| Sun Prairie to Hutto (Texas) | 985.68 mi (1,586.29 km) |
| Sun Prairie to Hyattsville (Maryland) | 702.15 mi (1,130.01 km) |
| Sun Prairie to Hybla Valley (Virginia) | 703.32 mi (1,131.88 km) |
| Sun Prairie to Idaho Falls (Idaho) | 1,142.43 mi (1,838.56 km) |
| Sun Prairie to Idylwood (Virginia) | 692.73 mi (1,114.84 km) |
| Sun Prairie to Ilchester (Maryland) | 702.74 mi (1,130.95 km) |
| Sun Prairie to Immokalee (Florida) | 1,238.29 mi (1,992.83 km) |
| Sun Prairie to Imperial (California) | 1,592.62 mi (2,563.08 km) |
| Sun Prairie to Imperial Beach (California) | 1,677.48 mi (2,699.65 km) |
| Sun Prairie to Independence (Kentucky) | 380.77 mi (612.80 km) |
| Sun Prairie to Independence (Missouri) | 388.29 mi (624.89 km) |
| Sun Prairie to Indian Trail (North Carolina) | 724.58 mi (1,166.09 km) |
| Sun Prairie to Indiana (Pennsylvania) | 547.35 mi (880.87 km) |
