| Montrose to Smyrna (Delaware) | 3,403.90 mi (5,478.04 km) |
| Montrose to Smyrna (Georgia) | 4,012.60 mi (6,457.65 km) |
| Montrose to Smyrna (Tennessee) | 3,974.60 mi (6,396.50 km) |
| Montrose to Snellville (Georgia) | 3,994.11 mi (6,427.89 km) |
| Montrose to Snoqualmie (Washington) | 4,437.82 mi (7,141.98 km) |
| Montrose to Snyder (Texas) | 4,658.50 mi (7,497.14 km) |
| Montrose to Socastee (South Carolina) | 3,817.73 mi (6,144.05 km) |
| Montrose to Socorro (Texas) | 4,899.42 mi (7,884.86 km) |
| Montrose to Soddy-Daisy (Tennessee) | 3,962.95 mi (6,377.75 km) |
| Montrose to Solana Beach (California) | 5,168.35 mi (8,317.66 km) |
| Montrose to Soledad (California) | 5,081.31 mi (8,177.58 km) |
| Montrose to Solon (Ohio) | 3,513.14 mi (5,653.85 km) |
| Montrose to Somers Point (New Jersey) | 3,365.56 mi (5,416.35 km) |
| Montrose to Somerset (Kentucky) | 3,846.84 mi (6,190.88 km) |
| Montrose to Somerset (New Jersey) | 3,302.85 mi (5,315.42 km) |
