| Gronau to Lake Grove (New York) | 3,689.64 mi (5,937.90 km) |
| Gronau to Lake Havasu City (Arizona) | 5,482.22 mi (8,822.78 km) |
| Gronau to Lake Hopatcong (New Jersey) | 3,743.45 mi (6,024.50 km) |
| Gronau to Lake in the Hills (Illinois) | 4,199.67 mi (6,758.72 km) |
| Gronau to Lake Jackson (Texas) | 5,144.80 mi (8,279.75 km) |
| Gronau to Lake Los Angeles (California) | 5,580.21 mi (8,980.49 km) |
| Gronau to Lake Magdalene (Florida) | 4,689.81 mi (7,547.52 km) |
| Gronau to Lake Mary (Florida) | 4,608.98 mi (7,417.44 km) |
| Gronau to Lake Monticello (Virginia) | 4,031.74 mi (6,488.45 km) |
| Gronau to Lake Morton-Berrydale (Washington) | 4,933.34 mi (7,939.44 km) |
| Gronau to Lake Norman of Catawba (North Carolina) | 4,249.04 mi (6,838.16 km) |
| Gronau to Lake Oswego (Oregon) | 5,062.59 mi (8,147.46 km) |
| Gronau to Lake Ridge (Virginia) | 3,955.19 mi (6,365.26 km) |
| Gronau to Lake Ronkonkoma (New York) | 3,690.80 mi (5,939.77 km) |
| Gronau to Lake Shore (Maryland) | 3,903.31 mi (6,281.78 km) |
