| Zagarolo to Red Bank (New Jersey) | 4,314.90 mi (6,944.17 km) |
| Zagarolo to Red Bank (Tennessee) | 5,022.86 mi (8,083.51 km) |
| Zagarolo to Red Bluff (California) | 6,110.82 mi (9,834.42 km) |
| Zagarolo to Red Hill (South Carolina) | 4,799.14 mi (7,723.46 km) |
| Zagarolo to Red Oak (Texas) | 5,631.88 mi (9,063.64 km) |
| Zagarolo to Red Wing (Minnesota) | 4,900.03 mi (7,885.84 km) |
| Zagarolo to Redan (Georgia) | 5,033.10 mi (8,099.99 km) |
| Zagarolo to Redding (California) | 6,090.96 mi (9,802.45 km) |
| Zagarolo to Redland (Maryland) | 4,497.48 mi (7,237.99 km) |
| Zagarolo to Redlands (California) | 6,311.02 mi (10,156.61 km) |
| Zagarolo to Redmond (Oregon) | 5,842.84 mi (9,403.14 km) |
| Zagarolo to Redmond (Washington) | 5,667.59 mi (9,121.10 km) |
| Zagarolo to Redondo Beach (California) | 6,361.14 mi (10,237.26 km) |
| Zagarolo to Redwood City (California) | 6,267.29 mi (10,086.23 km) |
| Zagarolo to Reedley (California) | 6,237.32 mi (10,038.00 km) |
