| Allentown to Cesky Tesin | 4,319.31 mi (6,951.26 km) |
| Allentown to Cheb | 4,065.71 mi (6,543.12 km) |
| Allentown to Chocen | 4,218.23 mi (6,788.59 km) |
| Allentown to Chodov | 4,075.16 mi (6,558.34 km) |
| Allentown to Chomutov | 4,094.31 mi (6,589.16 km) |
| Allentown to Chotebor | 4,206.49 mi (6,769.69 km) |
| Allentown to Chrudim | 4,203.47 mi (6,764.84 km) |
| Allentown to Decin | 4,114.28 mi (6,621.29 km) |
| Allentown to Dobris | 4,145.88 mi (6,672.16 km) |
| Allentown to Domazlice | 4,108.30 mi (6,611.67 km) |
| Allentown to Duchcov | 4,102.46 mi (6,602.27 km) |
| Allentown to Dvur Kralove nad Labem | 4,187.71 mi (6,739.47 km) |
| Allentown to Frenstat pod Radhostem | 4,310.54 mi (6,937.14 km) |
| Allentown to Frydek-Mistek | 4,310.97 mi (6,937.83 km) |
| Allentown to Frydlant nad Ostravici | 4,314.64 mi (6,943.75 km) |
