| Round Rock to Cesky Tesin | 5,657.85 mi (9,105.43 km) |
| Round Rock to Cheb | 5,420.53 mi (8,723.49 km) |
| Round Rock to Chocen | 5,562.54 mi (8,952.05 km) |
| Round Rock to Chodov | 5,427.83 mi (8,735.25 km) |
| Round Rock to Chomutov | 5,443.54 mi (8,760.53 km) |
| Round Rock to Chotebor | 5,554.47 mi (8,939.06 km) |
| Round Rock to Chrudim | 5,549.44 mi (8,930.97 km) |
| Round Rock to Decin | 5,459.00 mi (8,785.41 km) |
| Round Rock to Dobris | 5,497.82 mi (8,847.89 km) |
| Round Rock to Domazlice | 5,466.02 mi (8,796.71 km) |
| Round Rock to Duchcov | 5,449.72 mi (8,770.48 km) |
| Round Rock to Dvur Kralove nad Labem | 5,530.14 mi (8,899.89 km) |
| Round Rock to Frenstat pod Radhostem | 5,651.85 mi (9,095.78 km) |
| Round Rock to Frydek-Mistek | 5,650.85 mi (9,094.16 km) |
| Round Rock to Frydlant nad Ostravici | 5,655.16 mi (9,101.10 km) |
