| Gourock to Alum Rock (California) | 5,008.60 mi (8,060.56 km) |
| Gourock to Alvin (Texas) | 4,578.33 mi (7,368.12 km) |
| Gourock to Amarillo (Texas) | 4,494.91 mi (7,233.86 km) |
| Gourock to Amelia (Ohio) | 3,662.41 mi (5,894.08 km) |
| Gourock to American Canyon (California) | 4,973.28 mi (8,003.72 km) |
| Gourock to American Fork (Utah) | 4,536.25 mi (7,300.39 km) |
| Gourock to Americus (Georgia) | 4,020.12 mi (6,469.77 km) |
| Gourock to Ames (Iowa) | 3,849.17 mi (6,194.64 km) |
| Gourock to Amherst (Ohio) | 3,471.66 mi (5,587.10 km) |
| Gourock to Ammon (Idaho) | 4,368.98 mi (7,031.19 km) |
| Gourock to Amsterdam (New York) | 3,099.37 mi (4,987.96 km) |
| Gourock to Anacortes (Washington) | 4,382.42 mi (7,052.82 km) |
| Gourock to Anaheim (California) | 5,097.36 mi (8,203.41 km) |
| Gourock to Anchorage (Alaska) | 4,116.27 mi (6,624.50 km) |
| Gourock to Anderson (California) | 4,840.85 mi (7,790.60 km) |
