| Opfikon to Robertsville (New Jersey) | 3,956.31 mi (6,367.06 km) |
| Opfikon to Robinson (Texas) | 5,306.82 mi (8,540.50 km) |
| Opfikon to Robstown (Texas) | 5,517.56 mi (8,879.66 km) |
| Opfikon to Rochester (Michigan) | 4,215.20 mi (6,783.71 km) |
| Opfikon to Rochester (Minnesota) | 4,508.79 mi (7,256.19 km) |
| Opfikon to Rochester (New Hampshire) | 3,698.47 mi (5,952.11 km) |
| Opfikon to Rochester (New York) | 3,975.65 mi (6,398.19 km) |
| Opfikon to Rochester Hills (Michigan) | 4,217.60 mi (6,787.57 km) |
| Opfikon to Rock Hill (South Carolina) | 4,477.25 mi (7,205.44 km) |
| Opfikon to Rock Island (Illinois) | 4,558.47 mi (7,336.14 km) |
| Opfikon to Rock Springs (Wyoming) | 5,205.49 mi (8,377.43 km) |
| Opfikon to Rockford (Illinois) | 4,464.00 mi (7,184.12 km) |
| Opfikon to Rockledge (Florida) | 4,774.77 mi (7,684.25 km) |
| Opfikon to Rocklin (California) | 5,726.11 mi (9,215.28 km) |
| Opfikon to Rockport (Texas) | 5,481.28 mi (8,821.26 km) |
