| Piqua to Querfurt | 4,347.35 mi (6,996.39 km) |
| Piqua to Quickborn | 4,203.72 mi (6,765.24 km) |
| Piqua to Quierschied | 4,246.74 mi (6,834.46 km) |
| Piqua to Radeberg | 4,442.00 mi (7,148.71 km) |
| Piqua to Radebeul | 4,432.90 mi (7,134.07 km) |
| Piqua to Radevormwald | 4,194.83 mi (6,750.92 km) |
| Piqua to Radolfzell am Bodensee | 4,377.80 mi (7,045.39 km) |
| Piqua to Raesfeld | 4,156.59 mi (6,689.39 km) |
| Piqua to Rahden | 4,201.53 mi (6,761.71 km) |
| Piqua to Rain | 4,419.65 mi (7,112.75 km) |
| Piqua to Rangsdorf | 4,381.24 mi (7,050.92 km) |
| Piqua to Rastatt | 4,307.93 mi (6,932.94 km) |
| Piqua to Rastede | 4,158.64 mi (6,692.68 km) |
| Piqua to Ratekau | 4,226.06 mi (6,801.19 km) |
| Piqua to Rathenow | 4,330.32 mi (6,968.98 km) |
