| Rio Grande City to Zottegem | 5,335.76 mi (8,587.07 km) |
| Rio Grande City to Zulte | 5,319.89 mi (8,561.54 km) |
| Rio Grande City to Zwevegem | 5,319.51 mi (8,560.92 km) |
| Rio Grande City to Zwijndrecht | 5,345.72 mi (8,603.11 km) |
| Rio Grande City to Asenovgrad | 6,502.74 mi (10,465.15 km) |
| Rio Grande City to Aytos | 6,560.55 mi (10,558.18 km) |
| Rio Grande City to Balchik | 6,559.08 mi (10,555.82 km) |
| Rio Grande City to Bankya | 6,405.00 mi (10,307.84 km) |
| Rio Grande City to Bansko | 6,457.51 mi (10,392.36 km) |
| Rio Grande City to Berkovitsa | 6,380.45 mi (10,268.34 km) |
| Rio Grande City to Blagoevgrad | 6,434.13 mi (10,354.73 km) |
| Rio Grande City to Botevgrad | 6,421.04 mi (10,333.67 km) |
| Rio Grande City to Burgas | 6,578.04 mi (10,586.33 km) |
| Rio Grande City to Byala Slatina | 6,401.00 mi (10,301.42 km) |
| Rio Grande City to Chirpan | 6,511.80 mi (10,479.72 km) |
