| Martha Lake to Chojnice | 5,036.62 mi (8,105.66 km) |
| Martha Lake to Chojnow | 5,154.79 mi (8,295.83 km) |
| Martha Lake to Chorzow | 5,273.59 mi (8,487.03 km) |
| Martha Lake to Choszczno | 5,028.58 mi (8,092.71 km) |
| Martha Lake to Chrzanow | 5,292.55 mi (8,517.54 km) |
| Martha Lake to Ciechanow | 5,144.05 mi (8,278.55 km) |
| Martha Lake to Ciechocinek | 5,109.85 mi (8,223.50 km) |
| Martha Lake to Cieszyn | 5,301.73 mi (8,532.30 km) |
| Martha Lake to Czarna Bialostocka | 5,161.50 mi (8,306.64 km) |
| Martha Lake to Czarnkow | 5,067.20 mi (8,154.87 km) |
| Martha Lake to Czechowice-Dziedzice | 5,298.78 mi (8,527.56 km) |
| Martha Lake to Czeladz | 5,274.06 mi (8,487.78 km) |
| Martha Lake to Czersk Pomorski | 5,038.72 mi (8,109.03 km) |
| Martha Lake to Czestochowa | 5,245.61 mi (8,441.99 km) |
| Martha Lake to Czluchow | 5,035.26 mi (8,103.47 km) |
