| Manassas to Red Bank (New Jersey) | 212.95 mi (342.70 km) |
| Manassas to Red Bank (Tennessee) | 499.03 mi (803.11 km) |
| Manassas to Red Bluff (California) | 2,364.06 mi (3,804.59 km) |
| Manassas to Red Hill (South Carolina) | 353.77 mi (569.35 km) |
| Manassas to Red Oak (Texas) | 1,163.32 mi (1,872.19 km) |
| Manassas to Red Wing (Minnesota) | 876.46 mi (1,410.53 km) |
| Manassas to Redan (Georgia) | 507.99 mi (817.53 km) |
| Manassas to Redding (California) | 2,364.66 mi (3,805.55 km) |
| Manassas to Redland (Maryland) | 32.25 mi (51.90 km) |
| Manassas to Redlands (California) | 2,213.41 mi (3,562.15 km) |
| Manassas to Redmond (Oregon) | 2,265.59 mi (3,646.12 km) |
| Manassas to Redmond (Washington) | 2,296.19 mi (3,695.36 km) |
| Manassas to Redondo Beach (California) | 2,282.83 mi (3,673.86 km) |
| Manassas to Redwood City (California) | 2,408.85 mi (3,876.67 km) |
| Manassas to Reedley (California) | 2,279.58 mi (3,668.63 km) |
