| Tomball to Rowlett (Texas) | 202.41 mi (325.75 km) |
| Tomball to Roy (Utah) | 1,195.04 mi (1,923.24 km) |
| Tomball to Royal Kunia (Hawaii) | 3,884.25 mi (6,251.09 km) |
| Tomball to Royal Oak (Michigan) | 1,100.81 mi (1,771.59 km) |
| Tomball to Royal Palm Beach (Florida) | 963.72 mi (1,550.96 km) |
| Tomball to Royse City (Texas) | 203.26 mi (327.12 km) |
| Tomball to Ruskin (Florida) | 814.72 mi (1,311.17 km) |
| Tomball to Russellville (Alabama) | 552.20 mi (888.67 km) |
| Tomball to Russellville (Arkansas) | 385.92 mi (621.08 km) |
| Tomball to Ruston (Louisiana) | 243.65 mi (392.11 km) |
| Tomball to Rutherford (New Jersey) | 1,413.67 mi (2,275.08 km) |
| Tomball to Rutland (Vermont) | 1,553.00 mi (2,499.31 km) |
| Tomball to Sabana Grande (Puerto Rico) | 1,981.11 mi (3,188.29 km) |
| Tomball to Sachse (Texas) | 206.69 mi (332.64 km) |
| Tomball to Saco (Maine) | 1,662.50 mi (2,675.53 km) |
