| Olecko to Cankova | 579.92 mi (933.30 km) |
| Olecko to Celje | 626.05 mi (1,007.53 km) |
| Olecko to Cerklje na Gorenjskem | 643.50 mi (1,035.61 km) |
| Olecko to Cerknica | 673.64 mi (1,084.13 km) |
| Olecko to Cerkno | 662.78 mi (1,066.65 km) |
| Olecko to Cerkvenjak | 590.98 mi (951.09 km) |
| Olecko to Cirkulane | 603.66 mi (971.50 km) |
| Olecko to Crensovci | 583.08 mi (938.37 km) |
| Olecko to Crna na Koroskem | 621.59 mi (1,000.35 km) |
| Olecko to Crnomelj | 668.63 mi (1,076.05 km) |
| Olecko to Destrnik | 596.87 mi (960.57 km) |
| Olecko to Divaca | 689.80 mi (1,110.12 km) |
| Olecko to Dobje | 629.28 mi (1,012.73 km) |
| Olecko to Dobrna | 620.68 mi (998.89 km) |
| Olecko to Dobrova | 656.89 mi (1,057.16 km) |
