| Olecko to Calafell | 1,308.59 mi (2,105.97 km) |
| Olecko to Calahorra | 1,377.18 mi (2,216.36 km) |
| Olecko to Calasparra | 1,577.38 mi (2,538.56 km) |
| Olecko to Calatayud | 1,411.98 mi (2,272.37 km) |
| Olecko to Caldas de Montbuy | 1,265.75 mi (2,037.02 km) |
| Olecko to Caldas de Reyes | 1,615.53 mi (2,599.94 km) |
| Olecko to Calella | 1,250.03 mi (2,011.72 km) |
| Olecko to Callosa de Segura | 1,555.89 mi (2,503.97 km) |
| Olecko to Calpe | 1,496.81 mi (2,408.88 km) |
| Olecko to Calvia | 1,366.66 mi (2,199.43 km) |
| Olecko to Camas | 1,771.85 mi (2,851.51 km) |
| Olecko to Cambados | 1,626.40 mi (2,617.44 km) |
| Olecko to Cambre | 1,573.71 mi (2,532.64 km) |
| Olecko to Cambrils | 1,332.91 mi (2,145.11 km) |
| Olecko to Campo de Criptana | 1,564.15 mi (2,517.26 km) |
