| Piqua to Pully | 4,328.41 mi (6,965.90 km) |
| Piqua to Rapperswil-Jona | 4,390.45 mi (7,065.74 km) |
| Piqua to Regensdorf | 4,368.66 mi (7,030.68 km) |
| Piqua to Reinach | 4,331.50 mi (6,970.87 km) |
| Piqua to Renens | 4,324.41 mi (6,959.47 km) |
| Piqua to Rheinfelden | 4,337.83 mi (6,981.06 km) |
| Piqua to Richterswil | 4,385.78 mi (7,058.22 km) |
| Piqua to Riehen | 4,329.97 mi (6,968.42 km) |
| Piqua to Risch | 4,377.73 mi (7,045.27 km) |
| Piqua to Romanshorn | 4,399.40 mi (7,080.15 km) |
| Piqua to Rorschach | 4,408.62 mi (7,094.98 km) |
| Piqua to Rothrist | 4,349.94 mi (7,000.55 km) |
| Piqua to Ruti | 4,389.97 mi (7,064.98 km) |
| Piqua to Sankt Gallen | 4,405.03 mi (7,089.21 km) |
| Piqua to Sarnen | 4,379.05 mi (7,047.41 km) |
