| Troy to Smithville (Missouri) | 634.89 mi (1,021.76 km) |
| Troy to Smyrna (Delaware) | 454.04 mi (730.71 km) |
| Troy to Smyrna (Georgia) | 606.94 mi (976.77 km) |
| Troy to Smyrna (Tennessee) | 491.28 mi (790.63 km) |
| Troy to Snellville (Georgia) | 604.66 mi (973.11 km) |
| Troy to Snoqualmie (Washington) | 1,899.00 mi (3,056.14 km) |
| Troy to Snyder (Texas) | 1,183.29 mi (1,904.32 km) |
| Troy to Socastee (South Carolina) | 654.17 mi (1,052.78 km) |
| Troy to Socorro (Texas) | 1,473.87 mi (2,371.96 km) |
| Troy to Soddy-Daisy (Tennessee) | 517.65 mi (833.07 km) |
| Troy to Solana Beach (California) | 1,961.17 mi (3,156.20 km) |
| Troy to Soledad (California) | 2,061.54 mi (3,317.73 km) |
| Troy to Solon (Ohio) | 120.39 mi (193.74 km) |
| Troy to Somers Point (New Jersey) | 499.13 mi (803.28 km) |
| Troy to Somerset (Kentucky) | 387.75 mi (624.02 km) |
