| Killarney to Southern Pines (North Carolina) | 3,534.44 mi (5,688.12 km) |
| Killarney to Southfield (Michigan) | 3,367.83 mi (5,420.00 km) |
| Killarney to Southgate (Michigan) | 3,377.29 mi (5,435.22 km) |
| Killarney to Southlake (Texas) | 4,369.63 mi (7,032.23 km) |
| Killarney to Spanaway (Washington) | 4,525.52 mi (7,283.12 km) |
| Killarney to Spanish Fork (Utah) | 4,549.26 mi (7,321.32 km) |
| Killarney to Spanish Lake (Missouri) | 3,810.22 mi (6,131.96 km) |
| Killarney to Spanish Springs (Nevada) | 4,844.44 mi (7,796.37 km) |
| Killarney to Sparks (Nevada) | 4,850.50 mi (7,806.13 km) |
| Killarney to Spartanburg (South Carolina) | 3,651.29 mi (5,876.19 km) |
| Killarney to Spearfish (South Dakota) | 4,054.81 mi (6,525.59 km) |
| Killarney to Speedway (Indiana) | 3,605.68 mi (5,802.79 km) |
| Killarney to Spencer (Iowa) | 3,801.06 mi (6,117.22 km) |
| Killarney to Spokane (Washington) | 4,345.92 mi (6,994.08 km) |
| Killarney to Spokane Valley (Washington) | 4,340.08 mi (6,984.68 km) |
