| Opatija to Carson (California) | 6,213.95 mi (10,000.39 km) |
| Opatija to Carson City (Nevada) | 5,941.00 mi (9,561.11 km) |
| Opatija to Carteret (New Jersey) | 4,252.64 mi (6,843.96 km) |
| Opatija to Cartersville (Georgia) | 4,981.50 mi (8,016.94 km) |
| Opatija to Carthage (Missouri) | 5,215.73 mi (8,393.91 km) |
| Opatija to Cary (Illinois) | 4,740.46 mi (7,629.04 km) |
| Opatija to Cary (North Carolina) | 4,654.68 mi (7,490.99 km) |
| Opatija to Casa de Oro-Mount Helix (California) | 6,238.27 mi (10,039.53 km) |
| Opatija to Casa Grande (Arizona) | 6,064.14 mi (9,759.29 km) |
| Opatija to Casas Adobes (Arizona) | 6,071.18 mi (9,770.62 km) |
| Opatija to Cascades (Virginia) | 4,450.21 mi (7,161.92 km) |
| Opatija to Casper (Wyoming) | 5,335.98 mi (8,587.43 km) |
| Opatija to Casselberry (Florida) | 5,092.02 mi (8,194.82 km) |
| Opatija to Castaic (California) | 6,186.91 mi (9,956.87 km) |
| Opatija to Castle Pines (Colorado) | 5,471.74 mi (8,805.92 km) |
