| Niederkassel to Foothill Farms (California) | 5,508.75 mi (8,865.48 km) |
| Niederkassel to Fords (New Jersey) | 3,788.28 mi (6,096.65 km) |
| Niederkassel to Forest (Virginia) | 4,132.97 mi (6,651.37 km) |
| Niederkassel to Forest Acres (South Carolina) | 4,361.55 mi (7,019.24 km) |
| Niederkassel to Forest City (Florida) | 4,647.38 mi (7,479.24 km) |
| Niederkassel to Forest Grove (Oregon) | 5,145.48 mi (8,280.85 km) |
| Niederkassel to Forest Hill (Texas) | 5,066.24 mi (8,153.33 km) |
| Niederkassel to Forest Hills (Michigan) | 4,109.55 mi (6,613.68 km) |
| Niederkassel to Forest Lake (Minnesota) | 4,266.37 mi (6,866.06 km) |
| Niederkassel to Forest Park (Georgia) | 4,518.18 mi (7,271.30 km) |
| Niederkassel to Forest Park (Illinois) | 4,247.40 mi (6,835.53 km) |
| Niederkassel to Forest Park (Ohio) | 4,247.70 mi (6,836.01 km) |
| Niederkassel to Forestville (Maryland) | 3,967.25 mi (6,384.68 km) |
| Niederkassel to Forestville (Ohio) | 4,250.83 mi (6,841.05 km) |
| Niederkassel to Forney (Texas) | 5,031.57 mi (8,097.54 km) |
