| Olsztyn to Cognac | 1,078.09 mi (1,735.02 km) |
| Olsztyn to Cogolin | 964.25 mi (1,551.81 km) |
| Olsztyn to Colmar | 692.21 mi (1,114.00 km) |
| Olsztyn to Colombes | 851.96 mi (1,371.10 km) |
| Olsztyn to Colomiers | 1,114.23 mi (1,793.19 km) |
| Olsztyn to Combs-la-Ville | 848.85 mi (1,366.10 km) |
| Olsztyn to Comines | 765.34 mi (1,231.69 km) |
| Olsztyn to Compiegne | 812.87 mi (1,308.18 km) |
| Olsztyn to Concarneau | 1,133.29 mi (1,823.85 km) |
| Olsztyn to Conde-sur-l'Escaut | 750.47 mi (1,207.77 km) |
| Olsztyn to Conflans-Sainte-Honorine | 855.42 mi (1,376.66 km) |
| Olsztyn to Corbas | 890.05 mi (1,432.39 km) |
| Olsztyn to Corbeil-Essonnes | 853.91 mi (1,374.24 km) |
| Olsztyn to Cormeilles-en-Parisis | 852.23 mi (1,371.52 km) |
| Olsztyn to Cosne sur Loire | 883.34 mi (1,421.59 km) |
