| Opfikon to River Ridge (Louisiana) | 5,102.08 mi (8,211.00 km) |
| Opfikon to Riverbank (California) | 5,781.04 mi (9,303.69 km) |
| Opfikon to Riverdale (Georgia) | 4,684.24 mi (7,538.56 km) |
| Opfikon to Riverdale (Illinois) | 4,437.79 mi (7,141.93 km) |
| Opfikon to Riverside (California) | 5,894.95 mi (9,487.00 km) |
| Opfikon to Riverside (Ohio) | 4,384.37 mi (7,055.97 km) |
| Opfikon to Riverton (Utah) | 5,351.43 mi (8,612.30 km) |
| Opfikon to Riverton (Wyoming) | 5,101.60 mi (8,210.23 km) |
| Opfikon to Riverview (Florida) | 4,867.44 mi (7,833.38 km) |
| Opfikon to Riverview (Michigan) | 4,240.75 mi (6,824.82 km) |
| Opfikon to Riviera Beach (Florida) | 4,819.01 mi (7,755.44 km) |
| Opfikon to Riviera Beach (Maryland) | 4,099.84 mi (6,598.05 km) |
| Opfikon to Roanoke (Virginia) | 4,326.39 mi (6,962.66 km) |
| Opfikon to Roanoke Rapids (North Carolina) | 4,266.02 mi (6,865.50 km) |
| Opfikon to Robbinsdale (Minnesota) | 4,491.89 mi (7,229.00 km) |
