| Opatija to Castle Rock (Colorado) | 5,475.82 mi (8,812.49 km) |
| Opatija to Castro Valley (California) | 6,089.67 mi (9,800.37 km) |
| Opatija to Catalina Foothills (Arizona) | 6,069.04 mi (9,767.17 km) |
| Opatija to Cataño (Puerto Rico) | 4,863.35 mi (7,826.81 km) |
| Opatija to Cathedral City (California) | 6,160.02 mi (9,913.59 km) |
| Opatija to Catonsville (Maryland) | 4,413.81 mi (7,103.34 km) |
| Opatija to Cave Spring (Virginia) | 4,640.10 mi (7,467.52 km) |
| Opatija to Cayce (South Carolina) | 4,833.06 mi (7,778.06 km) |
| Opatija to Cayey (Puerto Rico) | 4,879.37 mi (7,852.58 km) |
| Opatija to Cedar City (Utah) | 5,834.25 mi (9,389.31 km) |
| Opatija to Cedar Falls (Iowa) | 4,881.56 mi (7,856.12 km) |
| Opatija to Cedar Hill (Texas) | 5,549.35 mi (8,930.82 km) |
| Opatija to Cedar Lake (Indiana) | 4,748.99 mi (7,642.77 km) |
| Opatija to Cedar Mill (Oregon) | 5,634.91 mi (9,068.51 km) |
| Opatija to Cedar Park (Texas) | 5,690.21 mi (9,157.51 km) |
