| Opatija to Clermont (Florida) | 5,115.80 mi (8,233.09 km) |
| Opatija to Cleveland (Mississippi) | 5,244.69 mi (8,440.51 km) |
| Opatija to Cleveland (Ohio) | 4,519.21 mi (7,272.96 km) |
| Opatija to Cleveland (Tennessee) | 4,936.41 mi (7,944.39 km) |
| Opatija to Cleveland Heights (Ohio) | 4,513.01 mi (7,262.99 km) |
| Opatija to Cliffside Park (New Jersey) | 4,232.72 mi (6,811.91 km) |
| Opatija to Clifton (Colorado) | 5,610.30 mi (9,028.90 km) |
| Opatija to Clifton (New Jersey) | 4,238.14 mi (6,820.62 km) |
| Opatija to Clinton (Iowa) | 4,832.58 mi (7,777.29 km) |
| Opatija to Clinton (Maryland) | 4,442.88 mi (7,150.12 km) |
| Opatija to Clinton (Mississippi) | 5,297.60 mi (8,525.66 km) |
| Opatija to Clinton (Utah) | 5,606.37 mi (9,022.58 km) |
| Opatija to Clive (Iowa) | 4,974.53 mi (8,005.73 km) |
| Opatija to Cloquet (Minnesota) | 4,681.46 mi (7,534.08 km) |
| Opatija to Cloverleaf (Texas) | 5,622.54 mi (9,048.61 km) |
