| Rock Island to Yonkers (New York) | 868.27 mi (1,397.35 km) |
| Rock Island to Yorba Linda (California) | 1,568.49 mi (2,524.24 km) |
| Rock Island to York (Pennsylvania) | 731.96 mi (1,177.98 km) |
| Rock Island to Yorktown (Indiana) | 279.56 mi (449.90 km) |
| Rock Island to Yorkville (Illinois) | 110.97 mi (178.58 km) |
| Rock Island to Youngstown (Ohio) | 516.24 mi (830.81 km) |
| Rock Island to Youngsville (Louisiana) | 789.79 mi (1,271.05 km) |
| Rock Island to Ypsilanti (Michigan) | 362.13 mi (582.80 km) |
| Rock Island to Yuba City (California) | 1,635.51 mi (2,632.11 km) |
| Rock Island to Yucaipa (California) | 1,526.84 mi (2,457.20 km) |
| Rock Island to Yucca Valley (California) | 1,492.42 mi (2,401.83 km) |
| Rock Island to Yukon (Oklahoma) | 565.09 mi (909.43 km) |
| Rock Island to Yulee (Florida) | 901.04 mi (1,450.09 km) |
| Rock Island to Yuma (Arizona) | 1,450.58 mi (2,334.48 km) |
| Rock Island to Zachary (Louisiana) | 747.29 mi (1,202.65 km) |
