| Olecko to Busto Arsizio | 839.16 mi (1,350.50 km) |
| Olecko to Busto Garolfo | 841.40 mi (1,354.09 km) |
| Olecko to Cabras | 1,171.15 mi (1,884.79 km) |
| Olecko to Cadelbosco di Sopra | 832.15 mi (1,339.21 km) |
| Olecko to Cadoneghe | 756.16 mi (1,216.93 km) |
| Olecko to Cagli | 850.08 mi (1,368.07 km) |
| Olecko to Cagliari | 1,199.66 mi (1,930.67 km) |
| Olecko to Cairo Montenotte | 921.71 mi (1,483.35 km) |
| Olecko to Caivano | 980.13 mi (1,577.37 km) |
| Olecko to Calcinaia | 893.69 mi (1,438.26 km) |
| Olecko to Calcinato | 799.21 mi (1,286.20 km) |
| Olecko to Calderara di Reno | 824.96 mi (1,327.64 km) |
| Olecko to Caldogno | 759.97 mi (1,223.06 km) |
| Olecko to Calenzano | 868.30 mi (1,397.39 km) |
| Olecko to Calolziocorte | 810.95 mi (1,305.10 km) |
