| Trenton to Reading (Pennsylvania) | 61.80 mi (99.46 km) |
| Trenton to Red Bank (New Jersey) | 37.72 mi (60.71 km) |
| Trenton to Red Bank (Tennessee) | 674.98 mi (1,086.27 km) |
| Trenton to Red Bluff (California) | 2,474.60 mi (3,982.48 km) |
| Trenton to Red Hill (South Carolina) | 503.10 mi (809.67 km) |
| Trenton to Red Oak (Texas) | 1,331.07 mi (2,142.16 km) |
| Trenton to Red Wing (Minnesota) | 956.36 mi (1,539.12 km) |
| Trenton to Redan (Georgia) | 684.78 mi (1,102.04 km) |
| Trenton to Redding (California) | 2,473.47 mi (3,980.66 km) |
| Trenton to Redland (Maryland) | 147.36 mi (237.16 km) |
| Trenton to Redlands (California) | 2,351.61 mi (3,784.55 km) |
| Trenton to Redmond (Oregon) | 2,358.76 mi (3,796.05 km) |
| Trenton to Redmond (Washington) | 2,372.37 mi (3,817.96 km) |
| Trenton to Redondo Beach (California) | 2,420.35 mi (3,895.18 km) |
| Trenton to Redwood City (California) | 2,529.79 mi (4,071.30 km) |
