| Hillcrest Heights to Olivares | 3,747.83 mi (6,031.55 km) |
| Hillcrest Heights to Olivenza | 3,664.53 mi (5,897.49 km) |
| Hillcrest Heights to Olot | 4,022.19 mi (6,473.09 km) |
| Hillcrest Heights to Onate | 3,770.67 mi (6,068.30 km) |
| Hillcrest Heights to Onda | 3,959.58 mi (6,372.32 km) |
| Hillcrest Heights to Onteniente | 3,977.64 mi (6,401.40 km) |
| Hillcrest Heights to Orihuela | 3,983.81 mi (6,411.32 km) |
| Hillcrest Heights to Osuna | 3,805.42 mi (6,124.23 km) |
| Hillcrest Heights to Ourense | 3,531.77 mi (5,683.84 km) |
| Hillcrest Heights to Oviedo | 3,602.07 mi (5,796.97 km) |
| Hillcrest Heights to Paiporta | 3,968.31 mi (6,386.38 km) |
| Hillcrest Heights to Pajara | 3,618.97 mi (5,824.17 km) |
| Hillcrest Heights to Palafolls | 4,049.78 mi (6,517.50 km) |
| Hillcrest Heights to Palafrugell | 4,061.30 mi (6,536.02 km) |
| Hillcrest Heights to Palamos | 4,061.90 mi (6,537.00 km) |
