| Piqua to Radauti | 5,007.39 mi (8,058.61 km) |
| Piqua to Ramnicu Sarat | 5,161.17 mi (8,306.11 km) |
| Piqua to Ramnicu Valcea | 5,076.26 mi (8,169.45 km) |
| Piqua to Rasnov | 5,093.68 mi (8,197.48 km) |
| Piqua to Reghin | 5,012.87 mi (8,067.43 km) |
| Piqua to Resita | 4,975.06 mi (8,006.58 km) |
| Piqua to Roman | 5,084.61 mi (8,182.88 km) |
| Piqua to Rosiori de Vede | 5,144.37 mi (8,279.06 km) |
| Piqua to Rovinari | 5,039.90 mi (8,110.94 km) |
| Piqua to Roznov | 5,074.26 mi (8,166.23 km) |
| Piqua to Sabaoani | 5,077.80 mi (8,171.92 km) |
| Piqua to Sacele | 5,101.48 mi (8,210.04 km) |
| Piqua to Sacueni | 4,892.82 mi (7,874.23 km) |
| Piqua to Salcea | 5,031.90 mi (8,098.06 km) |
| Piqua to Salonta | 4,900.70 mi (7,886.91 km) |
