| Lowell to Chojnice | 3,891.63 mi (6,262.97 km) |
| Lowell to Chojnow | 3,910.87 mi (6,293.93 km) |
| Lowell to Chorzow | 4,058.44 mi (6,531.43 km) |
| Lowell to Choszczno | 3,830.62 mi (6,164.79 km) |
| Lowell to Chrzanow | 4,081.43 mi (6,568.42 km) |
| Lowell to Ciechanow | 4,030.91 mi (6,487.12 km) |
| Lowell to Ciechocinek | 3,963.32 mi (6,378.35 km) |
| Lowell to Cieszyn | 4,065.73 mi (6,543.17 km) |
| Lowell to Czarna Bialostocka | 4,109.82 mi (6,614.11 km) |
| Lowell to Czarnkow | 3,881.53 mi (6,246.71 km) |
| Lowell to Czechowice-Dziedzice | 4,074.25 mi (6,556.87 km) |
| Lowell to Czeladz | 4,062.33 mi (6,537.68 km) |
| Lowell to Czersk Pomorski | 3,903.91 mi (6,282.74 km) |
| Lowell to Czestochowa | 4,047.19 mi (6,513.33 km) |
| Lowell to Czluchow | 3,886.07 mi (6,254.03 km) |
