| Monroe to Roy (Utah) | 1,251.44 mi (2,014.00 km) |
| Monroe to Royal Kunia (Hawaii) | 4,071.71 mi (6,552.79 km) |
| Monroe to Royal Oak (Michigan) | 844.83 mi (1,359.63 km) |
| Monroe to Royal Palm Beach (Florida) | 816.75 mi (1,314.44 km) |
| Monroe to Royse City (Texas) | 248.40 mi (399.77 km) |
| Monroe to Ruskin (Florida) | 665.63 mi (1,071.22 km) |
| Monroe to Russellville (Alabama) | 285.65 mi (459.71 km) |
| Monroe to Russellville (Arkansas) | 200.01 mi (321.89 km) |
| Monroe to Ruston (Louisiana) | 32.57 mi (52.42 km) |
| Monroe to Rutherford (New Jersey) | 1,146.06 mi (1,844.40 km) |
| Monroe to Rutland (Vermont) | 1,285.78 mi (2,069.27 km) |
| Monroe to Sabana Grande (Puerto Rico) | 1,851.05 mi (2,978.97 km) |
| Monroe to Sachse (Texas) | 263.47 mi (424.02 km) |
| Monroe to Saco (Maine) | 1,394.74 mi (2,244.61 km) |
| Monroe to Sacramento (California) | 1,696.47 mi (2,730.21 km) |
