| Covington to Ratingen | 4,236.83 mi (6,818.52 km) |
| Covington to Ratzeburg | 4,302.28 mi (6,923.85 km) |
| Covington to Raubling | 4,562.17 mi (7,342.10 km) |
| Covington to Rauenberg | 4,376.13 mi (7,042.70 km) |
| Covington to Raunheim | 4,340.74 mi (6,985.75 km) |
| Covington to Ravensburg | 4,463.84 mi (7,183.85 km) |
| Covington to Recke | 4,235.25 mi (6,815.97 km) |
| Covington to Recklinghausen | 4,239.54 mi (6,822.89 km) |
| Covington to Regen | 4,558.28 mi (7,335.84 km) |
| Covington to Regensburg | 4,516.16 mi (7,268.07 km) |
| Covington to Regenstauf | 4,513.99 mi (7,264.57 km) |
| Covington to Rehau | 4,468.92 mi (7,192.04 km) |
| Covington to Rehburg-Loccum | 4,287.90 mi (6,900.72 km) |
| Covington to Rehlingen-Siersburg | 4,293.10 mi (6,909.07 km) |
| Covington to Reichelsheim | 4,366.11 mi (7,026.57 km) |
