| Olecko to Castelfidardo | 834.96 mi (1,343.74 km) |
| Olecko to Castelfiorentino | 889.22 mi (1,431.06 km) |
| Olecko to Castelfranco di Sopra | 872.47 mi (1,404.11 km) |
| Olecko to Castelfranco di Sotto | 889.13 mi (1,430.92 km) |
| Olecko to Castelfranco Emilia | 829.10 mi (1,334.31 km) |
| Olecko to Castelfranco Veneto | 743.88 mi (1,197.16 km) |
| Olecko to Castellabate | 1,012.95 mi (1,630.18 km) |
| Olecko to Castellammare del Golfo | 1,195.81 mi (1,924.47 km) |
| Olecko to Castellammare di Stabia | 993.58 mi (1,599.01 km) |
| Olecko to Castellamonte | 887.80 mi (1,428.77 km) |
| Olecko to Castellana Grotte | 941.44 mi (1,515.11 km) |
| Olecko to Castellaneta | 961.10 mi (1,546.74 km) |
| Olecko to Castellanza | 837.38 mi (1,347.64 km) |
| Olecko to Castellarano | 838.29 mi (1,349.10 km) |
| Olecko to Castelleone | 827.65 mi (1,331.97 km) |
