| Martin to Robertsville (New Jersey) | 4,321.67 mi (6,955.05 km) |
| Martin to Robinson (Texas) | 5,627.27 mi (9,056.22 km) |
| Martin to Robstown (Texas) | 5,850.43 mi (9,415.35 km) |
| Martin to Rochester (Michigan) | 4,538.58 mi (7,304.14 km) |
| Martin to Rochester (Minnesota) | 4,790.17 mi (7,709.03 km) |
| Martin to Rochester (New Hampshire) | 4,058.55 mi (6,531.60 km) |
| Martin to Rochester (New York) | 4,315.32 mi (6,944.84 km) |
| Martin to Rochester Hills (Michigan) | 4,540.97 mi (7,307.98 km) |
| Martin to Rock Hill (South Carolina) | 4,845.41 mi (7,797.94 km) |
| Martin to Rock Island (Illinois) | 4,860.34 mi (7,821.96 km) |
| Martin to Rock Springs (Wyoming) | 5,425.80 mi (8,731.99 km) |
| Martin to Rockford (Illinois) | 4,767.72 mi (7,672.91 km) |
| Martin to Rockledge (Florida) | 5,170.50 mi (8,321.11 km) |
| Martin to Rocklin (California) | 5,895.99 mi (9,488.68 km) |
| Martin to Rockport (Texas) | 5,815.81 mi (9,359.63 km) |
