| Opatija to Caguas (Puerto Rico) | 4,867.90 mi (7,834.12 km) |
| Opatija to Cahokia (Illinois) | 4,987.53 mi (8,026.66 km) |
| Opatija to Calabasas (California) | 6,208.40 mi (9,991.46 km) |
| Opatija to Caldwell (Idaho) | 5,592.66 mi (9,000.51 km) |
| Opatija to Caledonia (Wisconsin) | 4,699.15 mi (7,562.55 km) |
| Opatija to Calera (Alabama) | 5,111.95 mi (8,226.89 km) |
| Opatija to Calexico (California) | 6,197.10 mi (9,973.28 km) |
| Opatija to Calhoun (Georgia) | 4,971.80 mi (8,001.33 km) |
| Opatija to California (Maryland) | 4,445.12 mi (7,153.73 km) |
| Opatija to California City (California) | 6,124.64 mi (9,856.66 km) |
| Opatija to Callaway (Florida) | 5,205.92 mi (8,378.12 km) |
| Opatija to Calumet City (Illinois) | 4,741.90 mi (7,631.36 km) |
| Opatija to Calverton (Maryland) | 4,431.36 mi (7,131.58 km) |
| Opatija to Camano (Washington) | 5,467.34 mi (8,798.83 km) |
| Opatija to Camarillo (California) | 6,213.98 mi (10,000.43 km) |
