| Round Rock to Yverdon-les-Bains | 5,322.46 mi (8,565.67 km) |
| Round Rock to Zofingen | 5,356.20 mi (8,619.97 km) |
| Round Rock to Zollikon | 5,379.66 mi (8,657.72 km) |
| Round Rock to Zuchwil | 5,344.11 mi (8,600.51 km) |
| Round Rock to Zug | 5,383.64 mi (8,664.12 km) |
| Round Rock to Zurich | 5,377.00 mi (8,653.44 km) |
| Round Rock to Ra's al `Ayn | 7,037.65 mi (11,326.01 km) |
| Round Rock to Tall Abyad | 7,009.26 mi (11,280.31 km) |
| Round Rock to Acarlar | 6,546.73 mi (10,535.94 km) |
| Round Rock to Acigol | 6,757.65 mi (10,875.39 km) |
| Round Rock to Acipayam | 6,627.54 mi (10,666.00 km) |
| Round Rock to Adakli | 6,917.63 mi (11,132.86 km) |
| Round Rock to Adana | 6,867.99 mi (11,052.97 km) |
| Round Rock to Adilcevaz | 7,011.39 mi (11,283.74 km) |
| Round Rock to Adiyaman | 6,928.02 mi (11,149.57 km) |
