| Seymour to Yonkers (New York) | 651.13 mi (1,047.89 km) |
| Seymour to Yorba Linda (California) | 1,797.11 mi (2,892.17 km) |
| Seymour to York (Pennsylvania) | 493.45 mi (794.12 km) |
| Seymour to Yorktown (Indiana) | 87.71 mi (141.16 km) |
| Seymour to Yorkville (Illinois) | 230.66 mi (371.22 km) |
| Seymour to Youngstown (Ohio) | 314.74 mi (506.52 km) |
| Seymour to Youngsville (Louisiana) | 703.00 mi (1,131.36 km) |
| Seymour to Ypsilanti (Michigan) | 257.00 mi (413.60 km) |
| Seymour to Yuba City (California) | 1,905.76 mi (3,067.03 km) |
| Seymour to Yucaipa (California) | 1,754.50 mi (2,823.59 km) |
| Seymour to Yucca Valley (California) | 1,718.98 mi (2,766.43 km) |
| Seymour to Yukon (Oklahoma) | 694.08 mi (1,117.01 km) |
| Seymour to Yulee (Florida) | 624.33 mi (1,004.75 km) |
| Seymour to Yuma (Arizona) | 1,657.65 mi (2,667.74 km) |
| Seymour to Zachary (Louisiana) | 645.46 mi (1,038.76 km) |
