| Comacchio to Reidsville (North Carolina) | 4,596.87 mi (7,397.94 km) |
| Comacchio to Reisterstown (Maryland) | 4,341.31 mi (6,986.67 km) |
| Comacchio to Rendon (Texas) | 5,503.44 mi (8,856.93 km) |
| Comacchio to Reno (Nevada) | 5,897.69 mi (9,491.41 km) |
| Comacchio to Renton (Washington) | 5,492.08 mi (8,838.65 km) |
| Comacchio to Republic (Missouri) | 5,127.45 mi (8,251.83 km) |
| Comacchio to Reston (Virginia) | 4,385.11 mi (7,057.15 km) |
| Comacchio to Revere (Massachusetts) | 3,975.59 mi (6,398.10 km) |
| Comacchio to Rexburg (Idaho) | 5,419.41 mi (8,721.69 km) |
| Comacchio to Reynoldsburg (Ohio) | 4,569.96 mi (7,354.64 km) |
| Comacchio to Rialto (California) | 6,140.62 mi (9,882.37 km) |
| Comacchio to Richardson (Texas) | 5,462.77 mi (8,791.47 km) |
| Comacchio to Richfield (Minnesota) | 4,752.11 mi (7,647.78 km) |
| Comacchio to Richfield (Wisconsin) | 4,640.38 mi (7,467.97 km) |
| Comacchio to Richland (Washington) | 5,489.74 mi (8,834.88 km) |
