| Sun Prairie to Lombard (Illinois) | 109.70 mi (176.54 km) |
| Sun Prairie to Lomita (California) | 1,690.44 mi (2,720.49 km) |
| Sun Prairie to Lompoc (California) | 1,767.03 mi (2,843.77 km) |
| Sun Prairie to London (Ohio) | 376.11 mi (605.30 km) |
| Sun Prairie to Lone Tree (Colorado) | 847.71 mi (1,364.25 km) |
| Sun Prairie to Long Beach (California) | 1,682.89 mi (2,708.34 km) |
| Sun Prairie to Long Beach (Mississippi) | 885.90 mi (1,425.72 km) |
| Sun Prairie to Long Beach (New York) | 819.41 mi (1,318.71 km) |
| Sun Prairie to Long Branch (New Jersey) | 809.58 mi (1,302.90 km) |
| Sun Prairie to Longmont (Colorado) | 843.35 mi (1,357.24 km) |
| Sun Prairie to Longview (Texas) | 795.57 mi (1,280.35 km) |
| Sun Prairie to Longview (Washington) | 1,657.35 mi (2,667.26 km) |
| Sun Prairie to Longwood (Florida) | 1,092.24 mi (1,757.78 km) |
| Sun Prairie to Lorain (Ohio) | 379.74 mi (611.14 km) |
| Sun Prairie to Lorton (Virginia) | 698.77 mi (1,124.56 km) |
