| Greenock to Reidsville (North Carolina) | 3,629.25 mi (5,840.72 km) |
| Greenock to Reisterstown (Maryland) | 3,366.10 mi (5,417.21 km) |
| Greenock to Rendon (Texas) | 4,477.12 mi (7,205.23 km) |
| Greenock to Reno (Nevada) | 4,825.88 mi (7,766.50 km) |
| Greenock to Renton (Washington) | 4,430.87 mi (7,130.80 km) |
| Greenock to Republic (Missouri) | 4,097.00 mi (6,593.49 km) |
| Greenock to Reston (Virginia) | 3,410.93 mi (5,489.37 km) |
| Greenock to Revere (Massachusetts) | 3,005.17 mi (4,836.35 km) |
| Greenock to Rexburg (Idaho) | 4,346.53 mi (6,995.06 km) |
| Greenock to Reynoldsburg (Ohio) | 3,565.25 mi (5,737.71 km) |
| Greenock to Rialto (California) | 5,068.48 mi (8,156.93 km) |
| Greenock to Richardson (Texas) | 4,436.90 mi (7,140.50 km) |
| Greenock to Richfield (Minnesota) | 3,696.26 mi (5,948.56 km) |
| Greenock to Richfield (Wisconsin) | 3,601.60 mi (5,796.22 km) |
| Greenock to Richland (Washington) | 4,422.77 mi (7,117.76 km) |
