| London Colney to Smyrna (Delaware) | 3,577.31 mi (5,757.12 km) |
| London Colney to Smyrna (Georgia) | 4,194.46 mi (6,750.33 km) |
| London Colney to Smyrna (Tennessee) | 4,172.55 mi (6,715.07 km) |
| London Colney to Snellville (Georgia) | 4,173.99 mi (6,717.39 km) |
| London Colney to Snoqualmie (Washington) | 4,759.29 mi (7,659.34 km) |
| London Colney to Snyder (Texas) | 4,894.19 mi (7,876.43 km) |
| London Colney to Socastee (South Carolina) | 3,977.30 mi (6,400.85 km) |
| London Colney to Socorro (Texas) | 5,149.26 mi (8,286.93 km) |
| London Colney to Soddy-Daisy (Tennessee) | 4,153.07 mi (6,683.72 km) |
| London Colney to Solana Beach (California) | 5,453.60 mi (8,776.72 km) |
| London Colney to Soledad (California) | 5,383.30 mi (8,663.59 km) |
| London Colney to Solon (Ohio) | 3,717.21 mi (5,982.27 km) |
| London Colney to Somers Point (New Jersey) | 3,535.35 mi (5,689.60 km) |
| London Colney to Somerset (Kentucky) | 4,042.62 mi (6,505.96 km) |
| London Colney to Somerset (New Jersey) | 3,478.50 mi (5,598.10 km) |
