| Greenock to Southern Pines (North Carolina) | 3,677.22 mi (5,917.92 km) |
| Greenock to Southfield (Michigan) | 3,459.39 mi (5,567.34 km) |
| Greenock to Southgate (Michigan) | 3,470.52 mi (5,585.27 km) |
| Greenock to Southlake (Texas) | 4,453.70 mi (7,167.53 km) |
| Greenock to Spanaway (Washington) | 4,458.79 mi (7,175.73 km) |
| Greenock to Spanish Fork (Utah) | 4,548.23 mi (7,319.66 km) |
| Greenock to Spanish Lake (Missouri) | 3,895.31 mi (6,268.89 km) |
| Greenock to Spanish Springs (Nevada) | 4,814.50 mi (7,748.19 km) |
| Greenock to Sparks (Nevada) | 4,820.68 mi (7,758.13 km) |
| Greenock to Spartanburg (South Carolina) | 3,785.64 mi (6,092.40 km) |
| Greenock to Spearfish (South Dakota) | 4,063.68 mi (6,539.86 km) |
| Greenock to Speedway (Indiana) | 3,700.50 mi (5,955.39 km) |
| Greenock to Spencer (Iowa) | 3,846.94 mi (6,191.05 km) |
| Greenock to Spokane (Washington) | 4,294.04 mi (6,910.60 km) |
| Greenock to Spokane Valley (Washington) | 4,288.90 mi (6,902.31 km) |
