| Olecko to Chivasso | 891.92 mi (1,435.41 km) |
| Olecko to Ciampino | 959.46 mi (1,544.10 km) |
| Olecko to Cicciano | 974.93 mi (1,569.00 km) |
| Olecko to Cingoli | 848.30 mi (1,365.21 km) |
| Olecko to Cinisello Balsamo | 830.88 mi (1,337.17 km) |
| Olecko to Cinisi | 1,182.74 mi (1,903.44 km) |
| Olecko to Cirie | 898.95 mi (1,446.73 km) |
| Olecko to Ciro Marina | 1,043.91 mi (1,680.01 km) |
| Olecko to Cislago | 833.53 mi (1,341.44 km) |
| Olecko to Cisterna di Latina | 967.74 mi (1,557.42 km) |
| Olecko to Cisternino | 948.40 mi (1,526.31 km) |
| Olecko to Citta di Castello | 865.20 mi (1,392.41 km) |
| Olecko to Citta Sant'Angelo | 884.07 mi (1,422.77 km) |
| Olecko to Cittadella | 749.01 mi (1,205.42 km) |
| Olecko to Cittanova | 1,125.09 mi (1,810.66 km) |
