| Olecko to Cabestany | 1,185.10 mi (1,907.24 km) |
| Olecko to Cabries | 1,064.50 mi (1,713.15 km) |
| Olecko to Cachan | 937.42 mi (1,508.63 km) |
| Olecko to Caen | 1,031.67 mi (1,660.31 km) |
| Olecko to Cagnes-sur-Mer | 996.09 mi (1,603.06 km) |
| Olecko to Cahors | 1,150.95 mi (1,852.28 km) |
| Olecko to Calais | 890.76 mi (1,433.53 km) |
| Olecko to Caluire-et-Cuire | 965.61 mi (1,554.00 km) |
| Olecko to Cambrai | 856.71 mi (1,378.75 km) |
| Olecko to Canet-en-Roussillon | 1,181.63 mi (1,901.66 km) |
| Olecko to Cannes | 1,006.45 mi (1,619.72 km) |
| Olecko to Canteleu | 966.84 mi (1,555.97 km) |
| Olecko to Capbreton | 1,293.93 mi (2,082.37 km) |
| Olecko to Carcassonne | 1,178.56 mi (1,896.71 km) |
| Olecko to Carmaux | 1,144.07 mi (1,841.21 km) |
