| Boulder to Cesky Tesin | 5,360.60 mi (8,627.05 km) |
| Boulder to Cheb | 5,155.06 mi (8,296.26 km) |
| Boulder to Chocen | 5,276.57 mi (8,491.82 km) |
| Boulder to Chodov | 5,158.70 mi (8,302.12 km) |
| Boulder to Chomutov | 5,168.56 mi (8,318.00 km) |
| Boulder to Chotebor | 5,274.31 mi (8,488.18 km) |
| Boulder to Chrudim | 5,266.36 mi (8,475.38 km) |
| Boulder to Decin | 5,176.70 mi (8,331.09 km) |
| Boulder to Dobris | 5,225.48 mi (8,409.60 km) |
| Boulder to Domazlice | 5,203.95 mi (8,374.95 km) |
| Boulder to Duchcov | 5,171.53 mi (8,322.78 km) |
| Boulder to Dvur Kralove nad Labem | 5,242.31 mi (8,436.68 km) |
| Boulder to Frenstat pod Radhostem | 5,358.83 mi (8,624.20 km) |
| Boulder to Frydek-Mistek | 5,355.74 mi (8,619.24 km) |
| Boulder to Frydlant nad Ostravici | 5,360.86 mi (8,627.48 km) |
