| Hennef to Troy (Michigan) | 4,050.08 mi (6,517.97 km) |
| Hennef to Troy (Missouri) | 4,516.92 mi (7,269.28 km) |
| Hennef to Troy (New York) | 3,677.15 mi (5,917.81 km) |
| Hennef to Troy (Ohio) | 4,210.33 mi (6,775.87 km) |
| Hennef to Truckee (California) | 5,446.47 mi (8,765.25 km) |
| Hennef to Trujillo Alto (Puerto Rico) | 4,517.55 mi (7,270.29 km) |
| Hennef to Trumbull Center (Connecticut) | 3,722.71 mi (5,991.12 km) |
| Hennef to Trussville (Alabama) | 4,616.37 mi (7,429.34 km) |
| Hennef to Tualatin (Oregon) | 5,154.12 mi (8,294.76 km) |
| Hennef to Tuckahoe (Virginia) | 4,065.63 mi (6,542.99 km) |
| Hennef to Tucker (Georgia) | 4,511.78 mi (7,261.01 km) |
| Hennef to Tucson (Arizona) | 5,583.50 mi (8,985.77 km) |
| Hennef to Tucson Estates (Arizona) | 5,590.24 mi (8,996.62 km) |
| Hennef to Tucson Mountains (Arizona) | 5,582.74 mi (8,984.55 km) |
| Hennef to Tukwila (Washington) | 5,017.03 mi (8,074.13 km) |
