| Round Lake Beach to The Villages (Florida) | 991.22 mi (1,595.22 km) |
| Round Lake Beach to The Woodlands (Texas) | 938.49 mi (1,510.35 km) |
| Round Lake Beach to Thibodaux (Louisiana) | 882.64 mi (1,420.47 km) |
| Round Lake Beach to Thomasville (Georgia) | 828.87 mi (1,333.93 km) |
| Round Lake Beach to Thomasville (North Carolina) | 620.26 mi (998.20 km) |
| Round Lake Beach to Thonotosassa (Florida) | 1,042.16 mi (1,677.19 km) |
| Round Lake Beach to Thornton (Colorado) | 892.05 mi (1,435.62 km) |
| Round Lake Beach to Thousand Oaks (California) | 1,751.99 mi (2,819.56 km) |
| Round Lake Beach to Three Lakes (Florida) | 1,235.95 mi (1,989.06 km) |
| Round Lake Beach to Tiffin (Ohio) | 267.21 mi (430.04 km) |
| Round Lake Beach to Tifton (Georgia) | 794.90 mi (1,279.26 km) |
| Round Lake Beach to Tigard (Oregon) | 1,726.85 mi (2,779.10 km) |
| Round Lake Beach to Tillmans Corner (Alabama) | 815.14 mi (1,311.84 km) |
| Round Lake Beach to Timberlake (Virginia) | 584.18 mi (940.15 km) |
| Round Lake Beach to Timberlane (Louisiana) | 870.49 mi (1,400.91 km) |
