| Effingham to Robertsville (New Jersey) | 761.41 mi (1,225.36 km) |
| Effingham to Robinson (Texas) | 716.54 mi (1,153.16 km) |
| Effingham to Robstown (Texas) | 941.52 mi (1,515.22 km) |
| Effingham to Rochester (Michigan) | 375.55 mi (604.39 km) |
| Effingham to Rochester (Minnesota) | 394.34 mi (634.63 km) |
| Effingham to Rochester (New Hampshire) | 955.80 mi (1,538.21 km) |
| Effingham to Rochester (New York) | 633.27 mi (1,019.16 km) |
| Effingham to Rochester Hills (Michigan) | 373.15 mi (600.53 km) |
| Effingham to Rock Hill (South Carolina) | 505.40 mi (813.37 km) |
| Effingham to Rock Island (Illinois) | 194.45 mi (312.93 km) |
| Effingham to Rock Springs (Wyoming) | 1,098.90 mi (1,768.51 km) |
| Effingham to Rockford (Illinois) | 218.55 mi (351.72 km) |
| Effingham to Rockledge (Florida) | 870.09 mi (1,400.27 km) |
| Effingham to Rocklin (California) | 1,747.16 mi (2,811.78 km) |
| Effingham to Rockport (Texas) | 908.86 mi (1,462.67 km) |
