| Piqua to Roermond | 4,142.78 mi (6,667.17 km) |
| Piqua to Roosendaal | 4,073.47 mi (6,555.62 km) |
| Piqua to Rosmalen | 4,102.69 mi (6,602.65 km) |
| Piqua to Rotterdam | 4,063.44 mi (6,539.47 km) |
| Piqua to Rozenburg | 4,054.20 mi (6,524.60 km) |
| Piqua to Rucphen | 4,078.58 mi (6,563.84 km) |
| Piqua to s-Gravendeel | 4,072.04 mi (6,553.32 km) |
| Piqua to s-Gravenzande | 4,048.17 mi (6,514.91 km) |
| Piqua to s-Heerenberg | 4,130.88 mi (6,648.01 km) |
| Piqua to s-Hertogenbosch | 4,101.22 mi (6,600.27 km) |
| Piqua to Sassenheim | 4,054.72 mi (6,525.44 km) |
| Piqua to Schaesberg | 4,153.82 mi (6,684.93 km) |
| Piqua to Schagen | 4,047.98 mi (6,514.60 km) |
| Piqua to Scherpenzeel | 4,094.87 mi (6,590.06 km) |
| Piqua to Scheveningen | 4,048.89 mi (6,516.06 km) |
