| Olecko to Cassina de' Pecchi | 827.95 mi (1,332.46 km) |
| Olecko to Cassino | 953.27 mi (1,534.14 km) |
| Olecko to Castagneto Carducci | 924.37 mi (1,487.62 km) |
| Olecko to Castano Primo | 845.09 mi (1,360.05 km) |
| Olecko to Castel Bolognese | 825.29 mi (1,328.18 km) |
| Olecko to Castel Gandolfo | 961.67 mi (1,547.66 km) |
| Olecko to Castel Goffredo | 806.19 mi (1,297.44 km) |
| Olecko to Castel Maggiore | 822.25 mi (1,323.28 km) |
| Olecko to Castel Mella | 804.85 mi (1,295.28 km) |
| Olecko to Castel San Giorgio | 984.03 mi (1,583.65 km) |
| Olecko to Castel San Giovanni | 850.87 mi (1,369.35 km) |
| Olecko to Castel San Pietro Terme | 826.11 mi (1,329.50 km) |
| Olecko to Castel Volturno | 980.65 mi (1,578.20 km) |
| Olecko to Castelbuono | 1,181.27 mi (1,901.07 km) |
| Olecko to Casteldaccia | 1,182.88 mi (1,903.67 km) |
