| Opatija to Red Bank (New Jersey) | 4,255.71 mi (6,848.90 km) |
| Opatija to Red Bank (Tennessee) | 4,957.28 mi (7,977.98 km) |
| Opatija to Red Bluff (California) | 5,945.40 mi (9,568.19 km) |
| Opatija to Red Hill (South Carolina) | 4,753.46 mi (7,649.95 km) |
| Opatija to Red Oak (Texas) | 5,545.76 mi (8,925.04 km) |
| Opatija to Red Wing (Minnesota) | 4,787.51 mi (7,704.75 km) |
| Opatija to Redan (Georgia) | 4,974.92 mi (8,006.35 km) |
| Opatija to Redding (California) | 5,924.59 mi (9,534.71 km) |
| Opatija to Redland (Maryland) | 4,436.35 mi (7,139.61 km) |
| Opatija to Redlands (California) | 6,168.88 mi (9,927.85 km) |
| Opatija to Redmond (Oregon) | 5,672.72 mi (9,129.36 km) |
| Opatija to Redmond (Washington) | 5,489.98 mi (8,835.27 km) |
| Opatija to Redondo Beach (California) | 6,216.33 mi (10,004.22 km) |
| Opatija to Redwood City (California) | 6,106.45 mi (9,827.38 km) |
| Opatija to Reedley (California) | 6,084.66 mi (9,792.31 km) |
