| Hennef to Somersworth (New Hampshire) | 3,544.20 mi (5,703.84 km) |
| Hennef to Somerton (Arizona) | 5,681.11 mi (9,142.86 km) |
| Hennef to Somerville (Massachusetts) | 3,589.40 mi (5,776.58 km) |
| Hennef to Somerville (New Jersey) | 3,809.60 mi (6,130.96 km) |
| Hennef to Sonoma (California) | 5,571.02 mi (8,965.69 km) |
| Hennef to Soquel (California) | 5,634.84 mi (9,068.40 km) |
| Hennef to South Bend (Indiana) | 4,209.78 mi (6,774.99 km) |
| Hennef to South Bradenton (Florida) | 4,766.47 mi (7,670.89 km) |
| Hennef to South Burlington (Vermont) | 3,585.51 mi (5,770.32 km) |
| Hennef to South Charleston (West Virginia) | 4,194.35 mi (6,750.16 km) |
| Hennef to South Daytona (Florida) | 4,614.94 mi (7,427.03 km) |
| Hennef to South El Monte (California) | 5,698.94 mi (9,171.56 km) |
| Hennef to South Elgin (Illinois) | 4,270.24 mi (6,872.28 km) |
| Hennef to South Euclid (Ohio) | 4,037.48 mi (6,497.69 km) |
| Hennef to South Farmingdale (New York) | 3,756.41 mi (6,045.35 km) |
