| River Ridge to Somersworth (New Hampshire) | 1,405.72 mi (2,262.30 km) |
| River Ridge to Somerton (Arizona) | 1,453.72 mi (2,339.54 km) |
| River Ridge to Somerville (Massachusetts) | 1,363.62 mi (2,194.53 km) |
| River Ridge to Somerville (New Jersey) | 1,142.75 mi (1,839.08 km) |
| River Ridge to Sonoma (California) | 1,920.57 mi (3,090.86 km) |
| River Ridge to Soquel (California) | 1,882.46 mi (3,029.53 km) |
| River Ridge to South Bend (Indiana) | 839.04 mi (1,350.30 km) |
| River Ridge to South Bradenton (Florida) | 493.85 mi (794.78 km) |
| River Ridge to South Burlington (Vermont) | 1,365.29 mi (2,197.23 km) |
| River Ridge to South Charleston (West Virginia) | 755.54 mi (1,215.93 km) |
| River Ridge to South Daytona (Florida) | 556.35 mi (895.35 km) |
| River Ridge to South El Monte (California) | 1,649.56 mi (2,654.70 km) |
| River Ridge to South Elgin (Illinois) | 838.03 mi (1,348.67 km) |
| River Ridge to South Euclid (Ohio) | 934.91 mi (1,504.59 km) |
| River Ridge to South Farmingdale (New York) | 1,198.96 mi (1,929.53 km) |
