| Sun Prairie to Oakleaf Plantation (Florida) | 987.28 mi (1,588.88 km) |
| Sun Prairie to Oakley (California) | 1,729.04 mi (2,782.62 km) |
| Sun Prairie to Oakton (Virginia) | 688.26 mi (1,107.64 km) |
| Sun Prairie to Oakville (Missouri) | 331.99 mi (534.29 km) |
| Sun Prairie to Oatfield (Oregon) | 1,644.89 mi (2,647.19 km) |
| Sun Prairie to Ocala (Florida) | 1,044.18 mi (1,680.45 km) |
| Sun Prairie to Ocean Acres (New Jersey) | 808.72 mi (1,301.51 km) |
| Sun Prairie to Ocean City (New Jersey) | 805.84 mi (1,296.88 km) |
| Sun Prairie to Ocean Pines (Maryland) | 806.75 mi (1,298.34 km) |
| Sun Prairie to Ocean Pointe (Hawaii) | 4,170.80 mi (6,712.26 km) |
| Sun Prairie to Ocean Springs (Mississippi) | 882.97 mi (1,421.00 km) |
| Sun Prairie to Oceanside (California) | 1,661.84 mi (2,674.47 km) |
| Sun Prairie to Oceanside (New York) | 819.97 mi (1,319.61 km) |
| Sun Prairie to Ocoee (Florida) | 1,096.02 mi (1,763.88 km) |
| Sun Prairie to Oconomowoc (Wisconsin) | 37.81 mi (60.86 km) |
