| Gahanna to Reidsville (North Carolina) | 308.09 mi (495.83 km) |
| Gahanna to Reisterstown (Maryland) | 323.76 mi (521.04 km) |
| Gahanna to Rendon (Texas) | 949.48 mi (1,528.04 km) |
| Gahanna to Reno (Nevada) | 1,949.60 mi (3,137.58 km) |
| Gahanna to Renton (Washington) | 2,005.99 mi (3,228.33 km) |
| Gahanna to Republic (Missouri) | 604.65 mi (973.09 km) |
| Gahanna to Reston (Virginia) | 303.40 mi (488.27 km) |
| Gahanna to Revere (Massachusetts) | 637.54 mi (1,026.02 km) |
| Gahanna to Rexburg (Idaho) | 1,502.15 mi (2,417.48 km) |
| Gahanna to Reynoldsburg (Ohio) | 5.87 mi (9.45 km) |
| Gahanna to Rialto (California) | 1,933.91 mi (3,112.32 km) |
| Gahanna to Richardson (Texas) | 908.79 mi (1,462.56 km) |
| Gahanna to Richfield (Minnesota) | 627.34 mi (1,009.61 km) |
| Gahanna to Richfield (Wisconsin) | 355.37 mi (571.91 km) |
| Gahanna to Richland (Washington) | 1,868.87 mi (3,007.65 km) |
