| Dayton to Racale | 5,072.12 mi (8,162.79 km) |
| Dayton to Racconigi | 4,447.08 mi (7,156.89 km) |
| Dayton to Raffadali | 4,985.13 mi (8,022.79 km) |
| Dayton to Ragusa | 5,057.65 mi (8,139.51 km) |
| Dayton to Ramacca | 5,037.05 mi (8,106.35 km) |
| Dayton to Randazzo | 5,026.94 mi (8,090.07 km) |
| Dayton to Rapallo | 4,527.03 mi (7,285.56 km) |
| Dayton to Ravanusa | 5,009.94 mi (8,062.73 km) |
| Dayton to Ravenna | 4,647.00 mi (7,478.63 km) |
| Dayton to Recanati | 4,742.12 mi (7,631.70 km) |
| Dayton to Recco | 4,522.94 mi (7,278.98 km) |
| Dayton to Reggello | 4,647.85 mi (7,479.99 km) |
| Dayton to Reggio di Calabria | 5,047.43 mi (8,123.06 km) |
| Dayton to Reggio Emilia | 4,571.85 mi (7,357.68 km) |
| Dayton to Reggiolo | 4,571.18 mi (7,356.60 km) |
