| Westbrook to Somerset (New Jersey) | 306.01 mi (492.47 km) |
| Westbrook to Somersworth (New Hampshire) | 40.54 mi (65.24 km) |
| Westbrook to Somerton (Arizona) | 2,495.55 mi (4,016.20 km) |
| Westbrook to Somerville (Massachusetts) | 97.72 mi (157.27 km) |
| Westbrook to Somerville (New Jersey) | 306.81 mi (493.77 km) |
| Westbrook to Sonoma (California) | 2,697.95 mi (4,341.94 km) |
| Westbrook to Soquel (California) | 2,711.54 mi (4,363.80 km) |
| Westbrook to South Bend (Indiana) | 818.96 mi (1,317.99 km) |
| Westbrook to South Bradenton (Florida) | 1,312.14 mi (2,111.68 km) |
| Westbrook to South Burlington (Vermont) | 151.80 mi (244.31 km) |
| Westbrook to South Charleston (West Virginia) | 697.32 mi (1,122.23 km) |
| Westbrook to South Daytona (Florida) | 1,163.24 mi (1,872.05 km) |
| Westbrook to South El Monte (California) | 2,612.62 mi (4,204.60 km) |
| Westbrook to South Elgin (Illinois) | 915.60 mi (1,473.52 km) |
| Westbrook to South Euclid (Ohio) | 587.00 mi (944.69 km) |
