| Karlovac to Red Bank (New Jersey) | 4,302.84 mi (6,924.75 km) |
| Karlovac to Red Bank (Tennessee) | 5,003.06 mi (8,051.65 km) |
| Karlovac to Red Bluff (California) | 5,968.12 mi (9,604.75 km) |
| Karlovac to Red Hill (South Carolina) | 4,802.48 mi (7,728.84 km) |
| Karlovac to Red Oak (Texas) | 5,587.61 mi (8,992.39 km) |
| Karlovac to Red Wing (Minnesota) | 4,824.31 mi (7,763.98 km) |
| Karlovac to Redan (Georgia) | 5,021.91 mi (8,081.98 km) |
| Karlovac to Redding (California) | 5,947.04 mi (9,570.83 km) |
| Karlovac to Redland (Maryland) | 4,483.09 mi (7,214.83 km) |
| Karlovac to Redlands (California) | 6,197.98 mi (9,974.69 km) |
| Karlovac to Redmond (Oregon) | 5,694.14 mi (9,163.83 km) |
| Karlovac to Redmond (Washington) | 5,509.10 mi (8,866.04 km) |
| Karlovac to Redondo Beach (California) | 6,244.72 mi (10,049.90 km) |
| Karlovac to Redwood City (California) | 6,130.45 mi (9,866.01 km) |
| Karlovac to Reedley (California) | 6,110.99 mi (9,834.68 km) |
