| Willoughby to Altus (Oklahoma) | 1,082.86 mi (1,742.69 km) |
| Willoughby to Alum Rock (California) | 2,154.72 mi (3,467.68 km) |
| Willoughby to Alvin (Texas) | 1,149.03 mi (1,849.19 km) |
| Willoughby to Amarillo (Texas) | 1,188.24 mi (1,912.28 km) |
| Willoughby to Amelia (Ohio) | 233.85 mi (376.35 km) |
| Willoughby to American Canyon (California) | 2,157.78 mi (3,472.62 km) |
| Willoughby to American Fork (Utah) | 1,578.46 mi (2,540.28 km) |
| Willoughby to Americus (Georgia) | 679.35 mi (1,093.31 km) |
| Willoughby to Ames (Iowa) | 628.74 mi (1,011.85 km) |
| Willoughby to Amherst (Ohio) | 45.73 mi (73.59 km) |
| Willoughby to Ammon (Idaho) | 1,551.04 mi (2,496.16 km) |
| Willoughby to Amsterdam (New York) | 379.47 mi (610.70 km) |
| Willoughby to Anacortes (Washington) | 2,040.00 mi (3,283.06 km) |
| Willoughby to Anaheim (California) | 2,046.59 mi (3,293.66 km) |
| Willoughby to Anchorage (Alaska) | 3,042.81 mi (4,896.93 km) |
