| Gourock to Yverdon-les-Bains | 801.70 mi (1,290.22 km) |
| Gourock to Zofingen | 808.72 mi (1,301.51 km) |
| Gourock to Zollikon | 824.21 mi (1,326.44 km) |
| Gourock to Zuchwil | 802.45 mi (1,291.41 km) |
| Gourock to Zug | 831.82 mi (1,338.69 km) |
| Gourock to Zurich | 821.38 mi (1,321.89 km) |
| Gourock to Ra's al `Ayn | 2,451.34 mi (3,945.06 km) |
| Gourock to Tall Abyad | 2,417.30 mi (3,890.26 km) |
| Gourock to Acarlar | 1,952.59 mi (3,142.38 km) |
| Gourock to Acigol | 2,158.25 mi (3,473.36 km) |
| Gourock to Acipayam | 2,029.78 mi (3,266.62 km) |
| Gourock to Adakli | 2,348.71 mi (3,779.89 km) |
| Gourock to Adana | 2,266.91 mi (3,648.25 km) |
| Gourock to Adilcevaz | 2,455.98 mi (3,952.52 km) |
| Gourock to Adiyaman | 2,337.91 mi (3,762.51 km) |
