| Olhao to Chojnice | 1,670.35 mi (2,688.17 km) |
| Olhao to Chojnow | 1,523.25 mi (2,451.44 km) |
| Olhao to Chorzow | 1,608.92 mi (2,589.31 km) |
| Olhao to Choszczno | 1,577.10 mi (2,538.10 km) |
| Olhao to Chrzanow | 1,622.42 mi (2,611.04 km) |
| Olhao to Ciechanow | 1,751.38 mi (2,818.58 km) |
| Olhao to Ciechocinek | 1,684.18 mi (2,710.42 km) |
| Olhao to Cieszyn | 1,580.58 mi (2,543.69 km) |
| Olhao to Czarna Bialostocka | 1,863.40 mi (2,998.85 km) |
| Olhao to Czarnkow | 1,606.07 mi (2,584.72 km) |
| Olhao to Czechowice-Dziedzice | 1,600.33 mi (2,575.48 km) |
| Olhao to Czeladz | 1,615.23 mi (2,599.46 km) |
| Olhao to Czersk Pomorski | 1,688.36 mi (2,717.16 km) |
| Olhao to Czestochowa | 1,630.09 mi (2,623.38 km) |
| Olhao to Czluchow | 1,662.82 mi (2,676.05 km) |
