| Rock Island to Pullman (Washington) | 1,360.99 mi (2,190.30 km) |
| Rock Island to Punta Gorda (Florida) | 1,117.50 mi (1,798.45 km) |
| Rock Island to Puyallup (Washington) | 1,604.11 mi (2,581.57 km) |
| Rock Island to Queen Creek (Arizona) | 1,282.80 mi (2,064.46 km) |
| Rock Island to Queens (New York) | 873.85 mi (1,406.32 km) |
| Rock Island to Quincy (Illinois) | 114.06 mi (183.57 km) |
| Rock Island to Quincy (Massachusetts) | 1,005.97 mi (1,618.96 km) |
| Rock Island to Raceland (Louisiana) | 811.28 mi (1,305.63 km) |
| Rock Island to Racine (Wisconsin) | 166.43 mi (267.84 km) |
| Rock Island to Radcliff (Kentucky) | 353.00 mi (568.10 km) |
| Rock Island to Radford (Virginia) | 613.82 mi (987.85 km) |
| Rock Island to Rahway (New Jersey) | 850.40 mi (1,368.58 km) |
| Rock Island to Raleigh (North Carolina) | 751.82 mi (1,209.93 km) |
| Rock Island to Ramona (California) | 1,550.97 mi (2,496.05 km) |
| Rock Island to Ramsey (Minnesota) | 298.90 mi (481.04 km) |
