| Sleaford to Rancho Cordova (California) | 5,190.60 mi (8,353.46 km) |
| Sleaford to Rancho Cucamonga (California) | 5,337.77 mi (8,590.30 km) |
| Sleaford to Rancho Mirage (California) | 5,322.51 mi (8,565.76 km) |
| Sleaford to Rancho Palos Verdes (California) | 5,384.09 mi (8,664.85 km) |
| Sleaford to Rancho San Diego (California) | 5,395.89 mi (8,683.84 km) |
| Sleaford to Rancho Santa Margarita (California) | 5,367.25 mi (8,637.76 km) |
| Sleaford to Randallstown (Maryland) | 3,590.74 mi (5,778.74 km) |
| Sleaford to Rantoul (Illinois) | 3,985.33 mi (6,413.78 km) |
| Sleaford to Rapid City (South Dakota) | 4,327.87 mi (6,965.04 km) |
| Sleaford to Ravenna (Ohio) | 3,681.63 mi (5,925.01 km) |
| Sleaford to Raymondville (Texas) | 5,066.12 mi (8,153.13 km) |
| Sleaford to Raymore (Missouri) | 4,293.32 mi (6,909.42 km) |
| Sleaford to Raytown (Missouri) | 4,283.82 mi (6,894.14 km) |
| Sleaford to Reading (Ohio) | 3,896.02 mi (6,270.04 km) |
| Sleaford to Reading (Pennsylvania) | 3,511.60 mi (5,651.37 km) |
