| Olecko to Castelletto sopra Ticino | 840.74 mi (1,353.05 km) |
| Olecko to Castelli Calepio | 805.28 mi (1,295.97 km) |
| Olecko to Castelnovo ne' Monti | 856.64 mi (1,378.63 km) |
| Olecko to Castelnuovo Berardenga | 890.30 mi (1,432.80 km) |
| Olecko to Castelnuovo di Porto | 940.83 mi (1,514.12 km) |
| Olecko to Castelnuovo di Verona | 790.19 mi (1,271.70 km) |
| Olecko to Castelnuovo Rangone | 835.07 mi (1,343.92 km) |
| Olecko to Castelvetrano | 1,219.77 mi (1,963.03 km) |
| Olecko to Castelvetro di Modena | 837.47 mi (1,347.78 km) |
| Olecko to Castenaso | 822.74 mi (1,324.07 km) |
| Olecko to Castenedolo | 802.05 mi (1,290.78 km) |
| Olecko to Castiglion Fiorentino | 880.19 mi (1,416.52 km) |
| Olecko to Castiglione del Lago | 889.46 mi (1,431.45 km) |
| Olecko to Castiglione delle Stiviere | 799.86 mi (1,287.25 km) |
| Olecko to Castrolibero | 1,058.74 mi (1,703.87 km) |
