| Midlothian to Smyrna (Delaware) | 1,282.59 mi (2,064.13 km) |
| Midlothian to Smyrna (Georgia) | 727.32 mi (1,170.52 km) |
| Midlothian to Smyrna (Tennessee) | 644.43 mi (1,037.10 km) |
| Midlothian to Snellville (Georgia) | 756.66 mi (1,217.72 km) |
| Midlothian to Snoqualmie (Washington) | 1,664.62 mi (2,678.95 km) |
| Midlothian to Snyder (Texas) | 228.97 mi (368.49 km) |
| Midlothian to Socastee (South Carolina) | 1,043.08 mi (1,678.67 km) |
| Midlothian to Socorro (Texas) | 545.76 mi (878.31 km) |
| Midlothian to Soddy-Daisy (Tennessee) | 704.25 mi (1,133.38 km) |
| Midlothian to Solana Beach (California) | 1,176.80 mi (1,893.88 km) |
| Midlothian to Soledad (California) | 1,410.44 mi (2,269.88 km) |
| Midlothian to Solon (Ohio) | 1,054.38 mi (1,696.87 km) |
| Midlothian to Somers Point (New Jersey) | 1,334.86 mi (2,148.25 km) |
| Midlothian to Somerset (Kentucky) | 770.69 mi (1,240.30 km) |
| Midlothian to Somerset (New Jersey) | 1,362.09 mi (2,192.08 km) |
