| National City to Yonkers (New York) | 2,433.08 mi (3,915.66 km) |
| National City to Yorba Linda (California) | 93.05 mi (149.76 km) |
| National City to York (Pennsylvania) | 2,282.93 mi (3,674.02 km) |
| National City to Yorktown (Indiana) | 1,820.38 mi (2,929.62 km) |
| National City to Yorkville (Illinois) | 1,685.55 mi (2,712.64 km) |
| National City to Youngstown (Ohio) | 2,080.34 mi (3,347.98 km) |
| National City to Youngsville (Louisiana) | 1,487.76 mi (2,394.32 km) |
| National City to Ypsilanti (Michigan) | 1,936.95 mi (3,117.22 km) |
| National City to Yuba City (California) | 514.04 mi (827.26 km) |
| National City to Yucaipa (California) | 94.59 mi (152.22 km) |
| National City to Yucca Valley (California) | 108.04 mi (173.87 km) |
| National City to Yukon (Oklahoma) | 1,121.82 mi (1,805.40 km) |
| National City to Yulee (Florida) | 2,084.81 mi (3,355.18 km) |
| National City to Yuma (Arizona) | 148.40 mi (238.82 km) |
| National City to Zachary (Louisiana) | 1,527.63 mi (2,458.49 km) |
