| Portland to Cesky Tesin | 5,455.28 mi (8,779.42 km) |
| Portland to Cheb | 5,302.06 mi (8,532.84 km) |
| Portland to Chocen | 5,390.50 mi (8,675.17 km) |
| Portland to Chodov | 5,300.79 mi (8,530.80 km) |
| Portland to Chomutov | 5,302.57 mi (8,533.66 km) |
| Portland to Chotebor | 5,395.93 mi (8,683.92 km) |
| Portland to Chrudim | 5,384.59 mi (8,665.66 km) |
| Portland to Decin | 5,300.76 mi (8,530.74 km) |
| Portland to Dobris | 5,359.85 mi (8,625.84 km) |
| Portland to Domazlice | 5,352.70 mi (8,614.34 km) |
| Portland to Duchcov | 5,301.22 mi (8,531.49 km) |
| Portland to Dvur Kralove nad Labem | 5,355.64 mi (8,619.07 km) |
| Portland to Frenstat pod Radhostem | 5,459.16 mi (8,785.67 km) |
| Portland to Frydek-Mistek | 5,453.50 mi (8,776.56 km) |
| Portland to Frydlant nad Ostravici | 5,459.41 mi (8,786.08 km) |
